Ex3:Put the verbs in brackets into the past simple or progressive tense: 1.When I (arrive) at his house yesterday,he st...

Luyện tập tổng hợp

Lê Thị Hồng Ngát

14 tháng 8 2017 lúc 20:09

Ex3:Put the verbs in brackets into the past simple or progressive tense:

1.When I (arrive) at his house yesterday,he still (sleep)

2.The light (go) out while we (have) dinner

3.The last time i (see) him,he (wear) a grey suit

4.Just as i (leave),a student (stop) me in the hall

5.Nam (play) football when he (break) his leg

6.While the two thieves (argue),someone (steal) their car

7.They (build) a new bridge when i (be) there 2 months ago

8.He (sit) in a cafe when i (see) him last Sunday

9.When i (come) to vist her last night,she (have) a bath

10.What you (do) when i (phone) you on Monday?

Ex4:Choose the best answer:

1.I (met/was meeting) a friend while i (did/was doing) the shopping

2.I (turned/was turning) roun and (saw/was seeing) Paula

3.She (wore/was turning) a bright red coat when i saw her

4.I (paid/was paying) for my things when i (heard/was hearing) call my name

5.We (left/was leaving) the cafe and (said/was saying) goodbye

6.This time last month we (took/were talking) the final test

7.While we (had/were having) a drink,a waiter (dropped/was dropping) a pile of plates

8.When i (came/was coming),he (read/was reading) books

9. While my mother (cook/was cooking),my father (read/was reading)newspapers

10.My brother (was playing/played) video games when i (came/was coming)

Giải gấp hộ mk với,mai kiểm tra rùi!!!Huhu

Lớp 6 Tiếng anh Luyện tập tổng hợp

Linh Nguyễn

14 tháng 8 2017 lúc 20:26

Ex3:Put the verbs in brackets into the past simple or progressive tense:

1.When I (arrive)arrived at his house yesterday,he was still (sleep)sleeping

2.The light (go)went out while we (have)were having dinner

3.The last time i (see)saw him,he (wear)was wearing a grey suit

4.Just as i (leave)was leaving,a student (stop)stopped me in the hall

5.Nam (play)was playing football when he (break)broke his leg

6.While the two thieves (argue)were arguing,someone (steal)stole their car

7.They (build)were building a new bridge when i (be)was there 2 months ago

8.He (sit)was sitting in a cafe when i (see)saw him last Sunday

9.When i (come)came to vist her last night,she (have)was having a bath

10.What were you (do)doing when i (phone)phoned you on Monday?

Ex4:Choose the best answer:

1.I (met/was meeting) a friend while i (did/was doing) the shopping

2.I (turned/was turning) roun and (saw/was seeing) Paula

3.She (wore/was wearing) a bright red coat when i saw her

4.I (paid/was paying) for my things when i (heard/was hearing) call my name

5.We (left/was leaving) the cafe and (said/was saying) goodbye

6.This time last month we (took/were talking) the final test

7.While we (had/were having) a drink,a waiter (dropped/was dropping) a pile of plates

8.When i (came/was coming),he (read/was reading) books

9. While my mother (cook/was cooking),my father (read/was reading)newspapers

10.My brother (was playing/played) video games when i (came/was coming)

Đúng 0

Bình luận (1)

Các câu hỏi tương tự

Vương Trường Phú

24 tháng 2 2020 lúc 9:33

IV/ Put the verbs in brackets in the past simple or the past continuous tense. 1/ He (sit) __________ in a bar when I (see) __________ him. 2/ When I (go) __________ out, the sun (shine) __________. 3/ The light (go) __________ out while I (have) __________ tea. 4/ When it (rain) __________ , she(carry) __________ an umbrella. 5/ We (walk) __________ to the station when it (begin) __________ to rain. 6/ He (teach) _______ English for 2 months when he (live)______ in Germany and (study) ___...

Đọc tiếp

IV/ Put the verbs in brackets in the past simple or the past continuous tense.

1/ He (sit) __________ in a bar when I (see) __________ him.

2/ When I (go) __________ out, the sun (shine) __________.

3/ The light (go) __________ out while I (have) __________ tea.

4/ When it (rain) __________ , she(carry) __________ an umbrella.

5/ We (walk) __________ to the station when it (begin) __________ to rain.

6/ He (teach) _______ English for 2 months when he (live)______ in Germany and (study) _______ as a journalist

7/ The house (burn) ________ fast, so we (break) ________ the window to get out.

8/ He (eat) __________ three sandwiches while you (talk) __________ to him.

9/ The servant (drop) _______ two cups while she (wash up) ______ last night; neither of them (break)_______

10/ While he (write) __________ a letter, the telephone (ring) __________; as he (go) __________ to answer it, he (hear) __________ a knock on the door; the telephone (still, ring) __________ while he (walk) __________ to the door, but just as he (open) __________ it, it (stop) __________.

11/ We ___________________________ (play) volleyball with Mary, when you ___________________________(call) me.

12/ When the teacher ___________________________(come) in, they ___________________________ (study) English.

13/ The baby ___________________________ (sleep) when the telephone ___________________________(ring)

14/ As I ___________________________ (walk) in the streets of Holland, I ___________________________ (meet) an old friend of mine.

15/ I ___________________________ (lose) my car keys.

16/ I was looking for my purse when I ___________________________ (drop) my credit card.

17/ My uncle ___________________________ (take) me to the airport yesterday.

18/ She ___________________________ (dance) when she hurt her ankle.

19/ It ___________________________ (rain) heavily when I got up.

20. I ___________________________ (see) the thief while he ___________________________ (get) into my neigh

THANK YOU VERY MUCH !!!!!!

Xem chi tiết

Lớp 6 Tiếng anh Luyện tập tổng hợp

Nguyễn Phương Linh

3 tháng 7 2017 lúc 21:09

Bài 1: Supply the correct verb from : Past simple 1, I (arrive)........ at his house, last night . 2, The light (go)........... out last Sunday. 3, The last time I (see).........him. 4, A student (stop).........me in the hall, 3 days ago. 5, Nam (play) ............. football last Sunday. 6, We ( drink) a lot of beer at the party yesterday. 7, They (build).........a new bridge 2 months ago. 8, He (sit).........in a cafe last week. 9, My company ( make)...........a lot of profits 5 years...

Đọc tiếp

Bài 1: Supply the correct verb from : Past simple

1, I (arrive)........ at his house, last night .

2, The light (go)........... out last Sunday.

3, The last time I (see).........him.

4, A student (stop).........me in the hall, 3 days ago.

5, Nam (play) ............. football last Sunday.

6, We ( drink) a lot of beer at the party yesterday.

7, They (build).........a new bridge 2 months ago.

8, He (sit).........in a cafe last week.

9, My company ( make)...........a lot of profits 5 years old.

10, What you (do)............. last Monday

11, the two thieves (argue).............., someeone (steal ...................... their car.,last Suturday

12, When he war a boy at school, Edison (ask) ............................... a lot of questions.The teacher (think) .......................he was stupid and she (send)............................him home.Edison's mother (teach) ........................... her son at home and he (begin).......................... to carry out a lot of experiments.

13, -You (visit) ............................ the zoo yesterday ?

-You,I did. When I (go) ............................there,I (see) .......................... our teacher.

14, Who (invent) ......................... the radio ?

Bài 2

1. My friend is a writer . She (write) .......................................many books.

2. We ( know ).................................... him since 1995

3. He ( buy ) ..................................some books.

4. It ( become )..................................colder.

5. He ( be ).............................here for 3 hours.

6. The train ( leave )..........................................the statiion.

7. She ( go out ) ......................................since 8 o' clock AM.

8. My wife and I ( be )................................there several times in the past.

9. We ( study ).................................almost every lesson in this book so far.

10. He ( visit )......................................his friends recently.

Giúp mk nha! Cảm ơn !

Xem chi tiết

Lớp 6 Tiếng anh Luyện tập tổng hợp

Sakura Linh

8 tháng 8 2016 lúc 14:41

Bài tập thì quá khứ đơn và quá khứ tiếp diễn Bài1: chọn đúng thì của các câu sau :1. I saw/ was seeing the accident when I was waiting for the taxi.2. What were you doing / did you do when I phoned?3. They didnt visit/werent visiting their friends last summer holiday.4. It rained / was raining heavily last July.5. While people were talking tl each other, he read / was readinghis book.6. Chris was eating / ate pizza every weekend last month.7. While we were running / run in the park, Mary fell o...

Đọc tiếp

Bài tập thì quá khứ đơn và quá khứ tiếp diễn

Bài1: chọn đúng thì của các câu sau :

1. I saw/ was seeing the accident when I was waiting for the taxi.

2. What were you doing / did you do when I phoned?

3. They didn't visit/weren't visiting their friends last summer holiday.

4. It rained / was raining heavily last July.

5. While people were talking tl each other, he read / was readinghis book.

6. Chris was eating / ate pizza every weekend last month.

7. While we were running / run in the park, Mary fell over.

8. Did you find / were you finding your keys yesterday?

9. Who was she dancing/ did she dance with at the party last night?10. They were watching / watched football on TV all day.

Bài 2: tìm cácloi sai trong các câu sau :

1. I was play football when she called me.

2. Was you study Math at 5 p.m. yesterday?

3. What was she do while her mother was making lunch?

4. Where didyou went last Sunday?

5. They weren't sleep during the meeting last Monday.

6. He got up early and have breakfast with his family yesterday morning.

7. She didn't broke the flower vase. Tom did.

8. Lastweek my friend and I go to the beach on the bus.

9. While I am listening to music, I heard the doorbell.

10. Peter turn on the TV, but nothing happened.

Bài3: hoàn thành các câu sauvới từ cho sẵn

1.Where /you /go? When/ you/ go?

2. Who /you/ go with?

3. How/ you/ get/ there?

4. What/ you /do/ during the day?

5. you / have / a / good / time?

6. you/ have / any / problems?

7. How/ long/you be /there?

8. What /your parents/ do/ while /you /go /on holiday?

Bài4:chia đúng các động từ sau ở thì quá khứ đơn và quá khứ tiếp diện.

In my last holiday, I went to Hawaii. When I(go) ..... to the beach for the first time, something wonderful happened. I (swim) ..... in the sea while my mother was sleeping in my sun. My brother was building a castle and my father (drink) ....... some water. Suddenly I (see) ....... a boy on the beach. His eyes were blue like the water in the sea and his hair (be) .... beautiful black. He was very tall and thìn and his face was brown. My heart (beat) ...... fast. I (ask) ..... him for his name and with a shy voice. He (tell) ..... me that his name was John. He (stay) ...... with me the whole afternoon. In the evening, we met again. We ate pizza in the restaurant. The following days we(have) ....... a lot of fun together. At the end Of my holidays when I left Hawaii I said good-bye to John. We had tears in our eyes. He wrote to me a letter very soon and I answered him.

Xem chi tiết

Lớp 6 Tiếng anh Luyện tập tổng hợp

hoàng thiên

13 tháng 7 2019 lúc 20:26

Complete the sentences by putting the verbs into the past continuous or past simple. 1....they(thank)........you when you give them the money? 2.This time last time we (have).......a wonderful time on beaches in Hawaii while some of our friends (work)........so hard. 3.When Nam(get)...........home,his father ( do)...............the gardening while his mother ( perpare)...........dinner. 4.When I (arrive)..............at his flat,he(still,sleep).................. 5.She (water)............the...

Đọc tiếp

Complete the sentences by putting the verbs into the past continuous or past simple.

1....they(thank)........you when you give them the money?

2.This time last time we (have).......a wonderful time on beaches in Hawaii while some of our friends (work)........so hard.

3.When Nam(get)...........home,his father ( do)...............the gardening while his mother ( perpare)...........dinner.

4.When I (arrive)..............at his flat,he(still,sleep)..................

5.She (water)............the flowers in the garden whlie her next door neighbour (chat).......................with her over the fence.

6.As we (cross)..............the street,we (see).............an accident.

7.Who ( be)..............the man you (talk)............to? I (see)..........him at the gate when I (come)................in.

8.We(wait).........for the bus when he (pass).............by and (offer)............us a lift.

9.When the students ( hear)............the bell,the(get)..........up and (leave).................

10.The bell(ring)...............while Tom (have).....................a bath

11.The children(play)................football when their mother (come).........back home.

Xem chi tiết

Lớp 6 Tiếng anh Luyện tập tổng hợp

Sakura Linh

8 tháng 8 2016 lúc 15:28

BÀI TẬP THÌ QUÁ KHỨ TIẾP DIỄN TIẾNG ANHBÀI 1: chia động từ ở thì quá khứ tiếp diẽn 1. I ..... down the street when it begin to rain (go )2. At this time last year , I ....... an English course (attend)3. Jim ...... under the tree when he heard an explosion (stand)4. The boy fell and hurt himself while he ..... around the city (walk)5. The tourist lost his camera while he ...... a bicycle (ride)6. The lorry .....very fast when it hit our car (go)7.While I ...... in my room , my roommate ..... a...

Đọc tiếp

BÀI TẬP THÌ QUÁ KHỨ TIẾP DIỄN TIẾNG ANH

BÀI 1: chia động từ ở thì quá khứ tiếp diẽn

1. I ..... down the street when it begin to rain (go )

2. At this time last year , I ....... an English course (attend)

3. Jim ...... under the tree when he heard an explosion (stand)

4. The boy fell and hurt himself while he ..... around the city (walk)

5. The tourist lost his camera while he ...... a bicycle (ride)

6. The lorry .....very fast when it hit our car (go)

7.While I ...... in my room , my roommate ..... a party in the other room (study / have)

8. Mary and I ....... the house when the telephone rang (just leave)

10. We ..... in the cafe when they saw us (sit)

Bài2: chia động từ ở thì quákhứ hoặc quá khứ tiếp diễn

1. I .....(call) Mr. Wilson at 9 last night, but he (not be ) ...... at home. He (study) ...... at the library

2.I ....... (not hear) the thunder during the storm last night because I ..... (sleep)

3. It was beautiful yesterday when we went for a walk in the park. The sun ..... (shine) . The birds. ..... (sing)

4. My brother and sister .......(talk) about somethig when I ....... (walk) into the room.

5. Tom went to his friends 'house, but the boys ....... (not be) there . They( play ) ...... soccer in the vacant lot down the street.

6. The little boy ........(fall) asleep while his mother ....... (read) him a story.

7. I really enjoyed my holiday last January. While it ....... (snow) in Iowa, the sun ..... (shine) in Florida

8. While Ted ........ (shovel) snow from his driveway yesterday , his wife ...... (bring) him a cup of hot chocolate.

9. John........( have ) a car accident last week. He ...... (drive) down the street when suddenly a lorry ...... (hit) his car from behind.

10. Ten years ago, the government ..... (decide) to begin a food programme . At that time, many people in the rural areas ....... (starve) due to several years of drought.

11. They .......(wait) for me when I ......... (arrive) at the station

12. She ...... (swim) in the sea when I ........ (see) her

13. ........ they .......... (play) tennis when it ......... raining(start)?

14. We ........(drive) home from the theatre when the police ......... (stop) us.

15. The wind ........ (blow) very hard when I ....... (go) out this morning

16. When she ........ (leave ) him , he ... .. (become) quite ill.

17. I .......(be) looking for some photos when you rang but I ....... (not find) them.

Xem chi tiết

Lớp 6 Tiếng anh Luyện tập tổng hợp

Dieu Linh

18 tháng 3 2020 lúc 22:33

didnt call her up 2 days ago. I havent Did you finish the test an hour ago? Have I started playing tennis last year. Ive I haven’t seen him for a week It’s When did you first see her? How long She didnt learn hard in 2005. She hasnt He has used the computer since he was 19 He began Peter has watched that film since last month It’s The boys began playing soccer a year ago. The boys have Has Dad worked here since I was born? Did The last time We saw her was 2 months ago We haven ‘t Tom did...

Đọc tiếp

didn't call her up 2 days ago.
I haven't
Did you finish the test an hour ago?
Have
I started playing tennis last year.
I've
I haven’t seen him for a week
It’s
When did you first see her?
How long
She didn't learn hard in 2005.
She hasn't
He has used the computer since he was 19
He began
Peter has watched that film since last month
It’s
The boys began playing soccer a year ago.
The boys have
Has Dad worked here since I was born?
Did
The last time We saw her was 2 months ago
We haven ‘t
Tom did not work here when I met him on the street
Tom has
This is the first time he forgot his bag
He has
Haven’t you used this car for a long time ?
Did you
Is it the first time your father drunk that wine
Is your father?
This car is the most mordern I’ve used
I’ve
It’s four years since I learnt in Hoa Lien school
I have
She last wore that dress at her sister’s wedding
she hasn’t
When did you start working in that factory?
How long
Nam hasn’t written to his friend since 2005
It is
It is the first time I have heard about that
I have
They have’t played volleyball since last year
It is
Mr Nam has worked in this factory for years
Mr Nam started
Hoa hasn’t met me since she went abroad
Hoa last
Mr Lam started learning French on september 2nd
Mr Lam've
He has used this car since he bought a new house
He began
She didn't learn hard in 2005.
She hasn't
Peter watched this film when he came home.
Peter has
It's a week since I last saw her.
I haven't
The boys began playing soccer a year ago.
The boys have
Did Dad start to work here when I was born?
Has
When did you first see her?
How long
The last time We saw her was 2 months ago
We haven ‘t
Tom did not work here when I met him on the street
Tom has
This is the first time he forgot his bag
He has never
Children began to play games at 9pm
Children have
When did you first know her ?
How long
I have never tasted the cake before
This is the
I haven’t played tennis since 1990
The last
I haven’t been to Briton for three years
The last
I have never met such a famous person before
It’s
I’ve never eaten this before
It’s

Xem chi tiết

Lớp 6 Tiếng anh Luyện tập tổng hợp

Nguyễn Thị Huệ

8 tháng 7 2018 lúc 8:53

Ex1. Past Simple- Present Perfect 1. I didn’t call her up 2 days ago. I haven’t....... 2. Did you finish the test an hour ago? Have ......? 3. I started playing tennis last year. I’ve ...... 4. He began to use the computer when he was 19. He has ..... 5. She didn’t learn hard in 2005. She hasn’t....... 6. Peter watched this film when he came home. Peter has....... 7. It’s a week since I last saw her. I haven’t ...... 8. The boy began playing soccer a year ago. The boys have ........ 9....

Đọc tiếp

Ex1. Past Simple-> Present Perfect

1. I didn’t call her up 2 days ago. I haven’t.......

2. Did you finish the test an hour ago? Have ......?

3. I started playing tennis last year. I’ve ......

4. He began to use the computer when he was 19. He has .....

5. She didn’t learn hard in 2005. She hasn’t.......

6. Peter watched this film when he came home. Peter has.......

7. It’s a week since I last saw her. I haven’t ......

8. The boy began playing soccer a year ago. The boys have ........

9. When did you first see her? How long .........?

10. The last time we saw her was 2 months ago. We haven’t........

11. Tom did not work here when I met him on the street. Tom has .......

12. When did you first know her? How long .......?

MỌI NGƯỜI GIÚP MK VỚI MK ĐANG RẤT CẦN

Xem chi tiết

Lớp 6 Tiếng anh Luyện tập tổng hợp

Bùi Trần Thanh Hương

11 tháng 3 2018 lúc 21:53

Bài tập viết lại câu thì hiện tại hoàn thành và quá khứ đơn How long is it since you rode a bicyde? When _______________________________________________________________ How long is it since he wrote to ỵou? When _______________________________________________________________ When did he last talk to you? How long ___________________________________________________________ When did you last telephone him? Hong long ___________________________________________________________ We have never eaten t...

Đọc tiếp

Bài tập viết lại câu thì hiện tại hoàn thành và quá khứ đơn

How long is it since you rode a bicyde?
When _______________________________________________________________
How long is it since he wrote to ỵou?
When _______________________________________________________________
When did he last talk to you?
How long ___________________________________________________________
When did you last telephone him?
Hong long ___________________________________________________________
We have never eaten this kind of food before.
It’s the ______________________________________________________________
This is the fìrst time I have seen this fìlm.
I have never __________________________________________________________
This is the first time he went abroad.
He hasn’t ____________________________________________________________
She started driving 1 month ago.
She has ______________________________________________________________

We began eating when it started to rain.
We have _____________________________________________________________
I last had my hair cut when I left her.
I haven’t _____________________________________________________________
The last time she kissed me was 5 months ago.
She hasn’t____________________________________________________________
It is a long time since we last met.
We haven’t___________________________________________________________
When did you have it ?
How long____________________________________________________________
This is the first time I had such a delicious meal .
I haven’t____________________________________________________________
I haven’t seen him for 8 days.
The last_____________________________________________________________
I haven’t taken a bath since Monday.
It is________________________________________________________________
It`s 2 years since I had a punture.
I have ____________________________________________________________________
It`s 2 months since he earned any money.
He has ___________________________________________________________________
He last shaved the day before yesterday.
He hasn’t _________________________________________________________________
I last drank champagne at my brother`s wedding.
I haven’t __________________________________________________________________
It`s 2 years since I was last in Rome.
I haven’t __________________________________________________________________
I saw Tom last on his wedding day.
I haven’t __________________________________________________________________
I last ate raw fish when I was in Japan.
I haven’t __________________________________________________________________
It`s years since Mary last spoke French.
Mary hasn’t ________________________________________________________________
It`s ten weeks since since I last had a good night sleep.
I haven’t __________________________________________________________________
He last paid taxes in 1970.
He hasn’t _________________________________________________________________
I last ate meat 5 years ago.
I haven’t __________________________________________________________________
It`s 3 months since since the windows were cleaned.
The windows haven’t ________________________________________________________
It`s years since I took photographs.
I haven’t __________________________________________________________________
I last watched TV on new years`s day.
I haven’t __________________________________________________________________

It`s 3 months since he wrote to me.
He hasn’t _________________________________________________________
The last time I was aboard was in the summer of 1978.
I haven’t __________________________________________________________
It`s ten years since that house was lived in.
That house ________________________________________________________
I haven`t seen him for 2 months.
I last _____________________________________________________________
I haven`t been to a concert for over a year.
The last time ____________________________________________________
The last time I really enjoyed myself was your birthday party.
I haven’t ________________________________________________________
It`s nearly 20 years since my father saw his brother.
My father hasn’t __________________________________________________
When did you learn to drive?
How long is it ____________________________________________________
The last time I went swimming was when we were in Spain.
I haven’t ________________________________________________________
You haven`t tidied this room for weeks.
It’s weeks _______________________________________________________
We started looking for a flat 2 months ago and we are still looking.
We have ________________________________________________________
This is the first time I`ve been to a night club
I haven’t ________________________________________________________
They have never heard such a thing before.
This is the first time ________________________________________________
Noone has challenged his authority before.
This is the first time ________________________________________________
She left university 2 years ago
It is _____________________________________________________________
My mother was the most warm-hearted person I`ve ever known.
I have ___________________________________________________________
I haven`t been able to see them for over a year.
It is _____________________________________________________________
It stared to rain at 2 o`clock.
It has ____________________________________________________________
I have never been to the ballet before.
It is ______________________________________________________________
John and Mary moved to Edinburgh twenty years ago.
It is ______________________________________________________________
The police started looking for him two months ago.
For two months now the ______________________________________________
I have never seen a dirtier-looking dog.
This is ____________________________________________________________

Mary rang hours and hours ago.
It it hours ___________________________________________________________
It is ages since Alan visited his parents.
Alan _______________________________________________________________

Xem chi tiết

Lớp 6 Tiếng anh Luyện tập tổng hợp

Nguyễn Kim Oanh

29 tháng 7 2017 lúc 14:35

Put the verb in brackets into the simple past tense 1. Albert Einstein ( die) ....................................... in 1955. 2. Tom ( go) .................................. to the post office twice yesterday. 3. He (live) .................................... in London from 1980 to 1985. 4. They (sell) ............................... their house several days ago. 5. When (you, see) .................................................... her? 6. ........................ he (come) ...............

Đọc tiếp

Put the verb in brackets into the simple past tense

1. Albert Einstein ( die) ....................................... in 1955.

2. Tom ( go) .................................. to the post office twice yesterday.

3. He (live) .................................... in London from 1980 to 1985.

4. They (sell) ............................... their house several days ago.

5. When (you, see) .................................................... her?

6. ........................ he (come) ................................. to see you last night? Yes he did

7. I ( not, meet) ................................................ her in the street last Sunday.

8. I (be) .............................................. at home last night.

9. I (study) ................................. music when I was at school

10. ............................. they (sell) ................................... their house last year?

11. They (not, be) ........................................ teachers in 2000.

12. Hung (not, do) .............................................. his home work yesterday.

Xem chi tiết

Lớp 6 Tiếng anh Luyện tập tổng hợp

Luyện tập tổng hợp

Khoá học trên OLM (olm.vn)

Khoá học trên OLM (olm.vn)

Luyện tập tổng hợp

Câu hỏi

Khoá học trên OLM (olm.vn)

Khoá học trên OLM (olm.vn)