Bài 7. Viết lại câu sử dụng thì Hiện tại Hoàn thành theo tình huống gợi ý. He is seeking for his notebook. He can’t find it anywhere. (yet) My parents go out 2 hours ago. They are still outside. (...

Bài 7. He hasn’t found his notebook yet. My parents have not/haven’t come home yet. I have already watched this film. They have lived in Hanoi since 1997. I have never forgotten how he cheated me. They won’t go outside to play soccer until they have completed their homework. Bài 8 I have not met my father for the past two weeks. He just comes home from his business. Recently, there has been a rumor about the relationship between Song Joong-ki and Song Hye-kyo. My father has already read the newspapers in the last morning. Since I was born, my hometown has changed substantially. Lately, a new bridge has been under construction. He has just seen her at the party and he knows that he has fallen in love with her. Bài 9 You’ve kept a pet for two years. Have you eaten Taiwan food before? Has it rained for a long time? Who have we forgotten to invite? We haven’t heard that poem already. She hasn’t forgotten her books. He’s stolen all the chocolate. Have I explained it well? Who has she met recently? How have we finished already? She’s studied Latin. I’ve known her for two months. Where have you studied English? What countries have they visited in Asia? She’s hurt her leg. He’s left his phone in a bus. I haven’t lost my ticket. Has he called his mother? Has she taken a taxi? He’s gone to the library today.Câu trả lời: Bài 7. He hasn’t found his notebook yet. My parents have not/haven’t come home yet. I have already watched this film. They have lived in Hanoi since 1997. I have never forgotten how he cheated me. They won’t go outside to play soccer until they have completed their homework. Bài 8 I have not met my father for the past two weeks. He just comes home from his business. Recently, there has been a rumor about the relationship between Song Joong-ki and Song Hye-kyo. My father has already read the newspapers in the last morning. Since I was born, my hometown has changed substantially. Lately, a new bridge has been under construction. He has just seen her at the party and he knows that he has fallen in love with her. Bài 9 You’ve kept a pet for two years. Have you eaten Taiwan food before? Has it rained for a long time? Who have we forgotten to invite? We haven’t heard that poem already. She hasn’t forgotten her books. He’s stolen all the chocolate. Have I explained it well? Who has she met recently? How have we finished already? She’s studied Latin. I’ve known her for two months. Where have you studied English? What countries have they visited in Asia? She’s hurt her leg. He’s left his phone in a bus. I haven’t lost my ticket. Has he called his mother? Has she taken a taxi? He’s gone to the library today.

GIÚP TUI VỚI MẤY BẠN ƠI!!!!TUI ĐANG CẦN DỮ LẮMCâu trả lời: GIÚP TUI VỚI MẤY BẠN ƠI!!!!TUI ĐANG CẦN DỮ LẮM

uk mình chia bải 7 rồi ớ bạnCâu trả lời: uk mình chia bải 7 rồi ớ bạn

Bài 7. Viết lại câu sử dụng thì Hiện tại Hoàn thành theo tình huống gợi ý. He is seeking for his notebook. He can’t f...

Hãy tham gia nhóm Học sinh Hoc24OLM

Pikachu

28 tháng 4 2016 lúc 14:06

1) I………my Maths homework yesterday. (to do)2)………Susan………to England by plane? (to go)3) They………a farm two weeks ago. (to visit)4) Jenny and Peggy………their brother. (not/to help)5) The children………at home last weekend. (not/to be)6) When………you………this wonderful skirt? (to design)7) My mother………into the van. (not/to crash)8) The boys………the mudguards of their bicycles. (to take off)9)………you………your aunt last week? (to phone)10) He………milk at school. (not/to drink)11) The police………two people early this mo...

Đọc tiếp

1) I………my Maths homework yesterday. (to do)

2)………Susan………to England by plane? (to go)

3) They………a farm two weeks ago. (to visit)

4) Jenny and Peggy………their brother. (not/to help)

5) The children………at home last weekend. (not/to be)

6) When………you………this wonderful skirt? (to design)

7) My mother………into the van. (not/to crash)

8) The boys………the mudguards of their bicycles. (to take off)

9)………you………your aunt last week? (to phone)

10) He………milk at school. (not/to drink)

11) The police………two people early this morning. (to arrest) 12) She………to Japan but now she………back. (to go – to come) 13) Dan………two tablets this year. (already/to buy) 14) How many games………so far this season? (your team/to win) 15)………the CN Tower when you………in Toronto? (you/to visit – to stay) 16)………your homework yet? – Yes, I………it an hour ago. (you/to do – to finish) 17) There………an accident in High Street, so we have to use King Street to get to your school. (to be) 18) I………Peter since I………last Tuesday. (not/to see – to arrive) 19) Frank………his bike last May. So he………it for 4 months. (to get – to have) 20) I’m sorry, I………earlier, but I………a lot lately. (not/to write – to work)

21) Peter……… football yesterday. 22) They……… the car. It looks new again. 23) Last year we……… to Italy. 24) John and Peggy……… the book. Now they can watch the film. 25) I……… my friend two days ago. 26) We……… another country before. 27) She……… a new car in 2011. 28) I’m sorry, but I……… my homework. 29)……… the game of chess? 30) The girls……… their lunch yet.

31) I………my keys, so I can’t open that door. (to lose) 32) Columbus………in the New World in 1492. (to arrive) 33) Nina………her leg. She is still in hospital. (to break) 34) He………here all his life. (to live) 35) Colin………for Brazil this morning. (to leave) 36) Last winter Robin………with his father in the Alps for three days. (to stay) 37) Ellen………with her left hand. (always/to write) 38) She………a language course in Paris last summer. (to do) 39)………anyone………yet? (to phone) 40) I………Paul today, but I………him last Sunday.

41) They………all the new words. They needn’t worry about the test. (to learn) 42) Three people………him in hospital last Friday. (to visit) 43) Martin………for 50 miles on scenic routes three weeks ago. (to cycle) 44) We………chicken Tandoori before. (never/to try) 45)………a job yet? (you/to find) 46) Emily and Molly………each other for more than 10 years now. (to know) 47) First he………to the announcement, then he………to a café for a drink. (to listen – to go) 48) She………late four times this week. (to be) 49) What’s that lovely smell in here? – Jasmin………a yummy cake. (to bake) 50) The Titanic………an iceberg in 1912 and………within.

Xem chi tiết

Lớp 6 Tiếng anh Luyện tập tổng hợp

Silverbullet

25 tháng 5 2016 lúc 15:08

1) I………my Maths homework yesterday. (to do)2)………Susan………to England by plane? (to go)3) They………a farm two weeks ago. (to visit)4) Jenny and Peggy………their brother. (not/to help)5) The children………at home last weekend. (not/to be)6) When………you………this wonderful skirt? (to design)7) My mother………into the van. (not/to crash)8) The boys………the mudguards of their bicycles. (to take off)9)………you………your aunt last week? (to phone)10) He………milk at school. (not/to drink)11) The police………two people early this m...

Đọc tiếp

1) I………my Maths homework yesterday. (to do)

2)………Susan………to England by plane? (to go)

3) They………a farm two weeks ago. (to visit)

4) Jenny and Peggy………their brother. (not/to help)

5) The children………at home last weekend. (not/to be)

6) When………you………this wonderful skirt? (to design)

7) My mother………into the van. (not/to crash)

8) The boys………the mudguards of their bicycles. (to take off)

9)………you………your aunt last week? (to phone)

10) He………milk at school. (not/to drink)

11) The police………two people early this morning. (to arrest) 12) She………to Japan but now she………back. (to go – to come) 13) Dan………two tablets this year. (already/to buy) 14) How many games………so far this season? (your team/to win) 15)………the CN Tower when you………in Toronto? (you/to visit – to stay) 16)………your homework yet? – Yes, I………it an hour ago. (you/to do – to finish) 17) There………an accident in High Street, so we have to use King Street to get to your school. (to be) 18) I………Peter since I………last Tuesday. (not/to see – to arrive) 19) Frank………his bike last May. So he………it for 4 months. (to get – to have) 20) I’m sorry, I………earlier, but I………a lot lately. (not/to write – to work)

21) Peter……… football yesterday. 22) They……… the car. It looks new again. 23) Last year we……… to Italy. 24) John and Peggy……… the book. Now they can watch the film. 25) I……… my friend two days ago. 26) We……… another country before. 27) She……… a new car in 2011. 28) I’m sorry, but I……… my homework. 29)……… the game of chess? 30) The girls……… their lunch yet.

31) I………my keys, so I can’t open that door. (to lose) 32) Columbus………in the New World in 1492. (to arrive) 33) Nina………her leg. She is still in hospital. (to break) 34) He………here all his life. (to live) 35) Colin………for Brazil this morning. (to leave) 36) Last winter Robin………with his father in the Alps for three days. (to stay) 37) Ellen………with her left hand. (always/to write) 38) She………a language course in Paris last summer. (to do) 39)………anyone………yet? (to phone) 40) I………Paul today, but I………him last Sunday.

41) They………all the new words. They needn’t worry about the test. (to learn) 42) Three people………him in hospital last Friday. (to visit) 43) Martin………for 50 miles on scenic routes three weeks ago. (to cycle) 44) We………chicken Tandoori before. (never/to try) 45)………a job yet? (you/to find) 46) Emily and Molly………each other for more than 10 years now. (to know) 47) First he………to the announcement, then he………to a café for a drink. (to listen – to go) 48) She………late four times this week. (to be) 49) What’s that lovely smell in here? – Jasmin………a yummy cake. (to bake) 50) The Titanic………an iceberg in 1912 and………within.

Xem chi tiết

Lớp 6 Tiếng anh Luyện tập tổng hợp

Hoàng Ngọc Mai

13 tháng 7 2018 lúc 8:08

Put the verbs in brackets into the present perfect tense 1. I just .......... (finish) my homework 2. They ........... (live) in the countryside for 15 years 3. You ever ....... (be) to Hue Citadel ? 4. I ......... (not) see her for ages 5. This the highest hotel that ever ........ (see) 6. A lot of people ............ (become) rich recently 7. I .............. (not/understand) his lesson so far 8. I ............. (play) the guitar since I ........... (be) a boy 9. We ............... (n...

Đọc tiếp

Put the verbs in brackets into the present perfect tense

1. I just .......... (finish) my homework

2. They ........... (live) in the countryside for 15 years

3. You ever ....... (be) to Hue Citadel ?

4. I ......... (not) see her for ages

5. This the highest hotel that ever ........ (see)

6. A lot of people ............ (become) rich recently

7. I .............. (not/understand) his lesson so far

8. I ............. (play) the guitar since I ........... (be) a boy

9. We ............... (not/see) him since we ............. (leave) school

10. They already ........... (prepare) the meal

11. My heath ............. (become) woesr lately

12. He .............. (not/drive) since his last accident

13. I never ............ (meet) anyone that is more intelligent than him

14. I ........... (read) this book several times

15. He ............. (stop) drinking since his father's death

16. He .......... (not/be) there yet

17. I .......... (learn) how to be have since I was born

18. Up to now, we ........... (make) three sentences

19. You ............. (eat) this kind of food ?

20. We ........... (be) here since the president ............... (appear)

Xem chi tiết

Lớp 6 Tiếng anh Luyện tập tổng hợp

Trần Thanh Tùng

22 tháng 7 2017 lúc 16:41

1. Stay here till the light (turn) ................ green. 2. My father (work) ............ for the company for ten years now. 3. It`s an interesting film. I (see) .............. it three times already. 4. They just (phone) .............. to say that they (not come) back till tomorrow. 5. She (learn) English at school, but she (forget) ............. most. 6. This is the first time I (eat) ........... hamburger. 7. We (use) ............ these energy- saving bulbs for a long time. 8. I just...

Đọc tiếp

1. Stay here till the light (turn) ................ green.

2. My father (work) ............ for the company for ten years now.

3. It`s an interesting film. I (see) .............. it three times already.

4. They just (phone) .............. to say that they (not come) back till tomorrow.

5. She (learn) English at school, but she (forget) ............. most.

6. This is the first time I (eat) ........... hamburger.

7. We (use) ............ these energy- saving bulbs for a long time.

8. I just (visit) ................. my hometown where I (be) ............ born.

9. You (think) ............... he (come) .................. to her birthday party.

10. I (buy) a new T-shirt as soon as they (pay) ........... me next week.

11. I hope my friend (not laugh) ............. at my funny blouse.

12. Don`t worry! We (come) ............ to visit you soon.

13. Ba is hard- working student. He always (get) ............... excellent grades.

14. They (not see) ............ their teachers since theirfarewell party in 2004.

15. I (begin) ................ to study English when I (be) .............. eight years old.

16. She (be) ............. very busy since she (get) .................. a part- time job.

17. What (this word/mean) .................................... ? - I`ve no idea. I (never/see) ................... it before.

18. You ever (be) ........... to Ba Na hill? - Yes, I (go) ............ there some months ago.

19. How long you (own) ................. this car ? - Since I (move) ............... to this townn.

20. Minh (start) ................ to write to his pen pal in 2007, but they never (meet) .............. each other.

21. Peter (not keep) .................. in touch with us since he (join) ................. the army.

22. You ever (attend) an English Speaking Contest in your school?

23. You can use my bike when he (bring) ................ it back tomorrow.

25. Someone is knocking at the door. I (often) ............... it .

Xem chi tiết

Lớp 6 Tiếng anh Luyện tập tổng hợp

Nguyễn Phương Linh

4 tháng 7 2017 lúc 10:35

Bài 1: 1,You (see )..... her today?- No, I havent seen her yet. 2, She (do).............. her homework already. 3, They never (go).......... to the cinema in their life. 4, Tom, I (not see)......... you for ages! Where have you been? 5, He is the most kind- hearted man I ever (meet) .......... 6, There (be)......................3 accidents on this street in the past 3 days. 7, Is this the first time you (visit)............ our beautiful country? 8, Scientists (find)................... c...

Đọc tiếp

Bài 1:

1,You (see )..... her today?- No, I haven't seen her yet.

2, She (do).............. her homework already.

3, They never (go).......... to the cinema in their life.

4, Tom, I (not see)......... you for ages! Where have you been?

5, He is the most kind- hearted man I ever (meet) ..........

6, There (be)......................3 accidents on this street in the past 3 days.

7, Is this the first time you (visit)............ our beautiful country?

8, Scientists (find)................... cures for many illnesses in the last 50 years.

9, My uncle's health (improve)............. since he (leave)............ India.

10, I (buy)................... a new shirt last week but I (not wear).................it yet.

11, I(not see)................... Lan since we (leave)............................ school.

12, We just (move)......................... to a new house but we (be)............................ dissatisfied with it

Bai 2:

1, (you/see)...........................Lan last week?

2, I ( play)..........................football yesterday afternoon.

3, My hair is clean. I (wash)...............................it.

4, When I was small, I(not like).................beer.

5, Sam works in a bookshop. He (work)................there for three years.

6, What time you (go)................. to bed last night?

7, Last summer we(go).................to Cua Lo. We (stay)............. there for a week.

Làm ơn giúp mk với! Cảm ơn các bn nhiều!!!

Xem chi tiết

Lớp 6 Tiếng anh Luyện tập tổng hợp

Kirigaya Kazuto

24 tháng 2 2017 lúc 16:05

Give the correct form of the verd in the brackets. 1. She (not play)__________ games since she was a child 2. Hoa (prepare) _____________ her meal so far 3. Where you (go) _________________ until now ? 4. Susan (phone) _____________ since six oclock 5. My mother (make) cakes in the kitchen up to the present 6. They (not stay) ___________ at home yet 7. Tom and July just (draw)______________ some pictures in their house 8. Peter! Your father (teach)____________ me sentences already 9. My...

Đọc tiếp

Give the correct form of the verd in the brackets.

1. She (not play)__________ games since she was a child

2. Hoa (prepare) _____________ her meal so far

3. Where you (go) _________________ until now ?

4. Susan (phone) _____________ since six o'clock

5. My mother (make) cakes in the kitchen up to the present

6. They (not stay) ___________ at home yet

7. Tom and July just (draw)______________ some pictures in their house

8. Peter! Your father (teach)____________ me sentences already

9. My sister (not sleep) ________________ till now

10. Mr. Quang just (open) __________ the door ?

11. What your father (show) _________________ recently ?

12. Mai (watch) TV and her mother (knit) since 6:00 in the dining room

13. They (build) ___________ that bridge several times ?

14. Hoa (not wait) __________ for her friends since 5 o'clock

15. They (go) ____________ on holiday several days

16. The teacher (come) _____________ our class for 1 hour

17. Wait for me a few minutes ! We (prepare) ________ our car since the early morning

18. They (not do) __________________ their homework up to now, come and see them

19. I (have) _______ a car since I was very young, so I (visit)_______ some cities several times

20. I'm busy now, I (cook) ___________ some food for my parents for 3 hours, they (go) ___________ out up to the present

21. I never (do) _________________ that thing before

22. Someone (throw)____________ robbish at my school, the yard is very dirty ?

23. We (clean) ____________ our car and my friend (drink) _____________ tea in the bar since 6:00

24. Two boys (fight) _____________ each other until now

25. My grandfather (not walk) ___________ in the park for many years

26. The children (talk) ___________ together in the yard up to now ?

27. The child (lie) ____________ in the bed for 3 hours ?

28. He (not print) __________ those documents for you till now

29. How long Mr. Long (load) __________ vegetables on the truck ?

30. How many times they (play) ___________ soccer with their friends in the yard?

Xem chi tiết

Lớp 6 Tiếng anh Luyện tập tổng hợp

Nguyễn Lê Thảo Nguyên

8 tháng 4 2017 lúc 9:01

Put the verbs in the brackets in the correct form: 1.There is no more cheese. I (eat) ....... it all, Im afraid. 2. The bill isnt right. They (make) ....... a mistake. 3. Dont you want to see this programme? It ....... (start). 4.Itll soon get warm in here. I (turn) ....... the heating on. 5. ....... they (pay) ....... money for your mother? 6. Someone (take) ....... my bicycle. 7. Wait for few minutes, please! I (finish) ....... my dinner. 8. ....... you ever ( eat) ....... Sushi? 9....

Đọc tiếp

Put the verbs in the brackets in the correct form:

1.There is no more cheese. I (eat) ....... it all, I'm afraid.

2. The bill isn't right. They (make) ....... a mistake.

3. Don't you want to see this programme? It ....... (start).

4.It'll soon get warm in here. I (turn) ....... the heating on.

5. ....... they (pay) ....... money for your mother?

6. Someone (take) ....... my bicycle.

7. Wait for few minutes, please! I (finish) ....... my dinner.

8. ....... you ever ( eat) ....... Sushi?

9. She (not/come) ....... here for a long time.

10. I (work) ....... here for three years.

11. ....... you ever ....... (be) to New York.

12. You (not/do) ........ your project yet, I suppose.

13. I just (see) ....... Andrew and he says he ....... already (do) ....... about half of the plan.

14. I ....... just (delice) ....... to strat working next week.

15. He (be) ....... at his computer for seven hours.

16. She (not/have) ........ any fun a long time.

17. My father (not/play) ....... sport since last year.

18. I'd better have a shower. I (not/have) ....... one since Thursday.

19. I don't live with my family now and we (not/see) ....... each other for five years.

20. I ....... just (realize) ....... that there are only four weeks to the end of term.

Xem chi tiết

Lớp 6 Tiếng anh Luyện tập tổng hợp

Bùi Kim Ngân

6 tháng 8 2017 lúc 14:06

12. Put the verbs in brackets into the correct from: Past simple or Present perfect tense: 1. Marry (win)...................................the lottery last year. 2. We (already/ prepare)...........................................dinner. 3. James (find).........................................your ring in the garden yesterday. 4. He (come/ just).......................................home. 5. They (buy)..........................................their car two years ago. 6. You (read)............

Đọc tiếp

12. Put the verbs in brackets into the correct from: Past simple or Present perfect tense:

1. Marry (win)...................................the lottery last year.

2. We (already/ prepare)...........................................dinner.

3. James (find).........................................your ring in the garden yesterday.

4. He (come/ just).......................................home.

5. They (buy)..........................................their car two years ago.

6. You (read)...........................................the book yet?

7. How many letters(they/ write)...............................................so far?

8. When (he/ tell)................................................you that?

9. You(be)..........................................at home last night?

10. How offten (you/ travel)...............................................abroad till now?

11. the police (arrest)...........................................two people early this morning.

12. She (go)..............................................to japan but now she(come).....................................back.

13. Dan (already/ buy)..........................................two tablets this year.

14. How may games (your team/ win).........................................so far this season?

15. (you/ visit).........................................the CN Tower when you (stay)....................................in Toronto?

16. Peter (play)..........................................football yesterday.

17. They (clean)........................................the car. It looks new again.

18. Last year we (go)............................................to Italy.

19. John and Peggy (just read)..........................................the book. Now they can watch the flim.

20. I (meet)..................................................my frend two day ago.

21. I (not see)..........................................Peter since I (arrive)......................................last Tuesday.

22. (you/ do)............................................your homework yet?- Yes, I (finish)...............................................it one hour ago.

Xem chi tiết

Lớp 6 Tiếng anh Luyện tập tổng hợp

Lam Ly

7 tháng 8 2017 lúc 16:47

Put the verbs in brackets into the correct form: Past simple tences or Present perfect tences: 1. Mary (win) the lottery last year. 2. We (already/prepare) dinner. 3. Jame (find) your ring in the garden yesterday. 4. He (come/just) home. 5. They (buy) their car two year ago. 6. You (read) the book yet. 7. How many letter (they/ write) so far. 8. When (he / tell) you that. 9. Yo (be) at home last night ? 10. How often( you/ tr...

Đọc tiếp

Put the verbs in brackets into the correct form: Past simple tences or Present perfect tences:

1. Mary (win) the lottery last year.

2. We (already/prepare) dinner.

3. Jame (find) your ring in the garden yesterday.

4. He (come/just) home.

5. They (buy) their car two year ago.

6. You (read) the book yet.

7. How many letter (they/ write) so far.

8. When (he / tell) you that.

9. Yo (be) at home last night ?

10. How often( you/ travel) abroad till now?

11. The police (arrest) two people early this morning.

12. She (go) to Jappan but now she (come) back.

13. Dan( already/buy) two tables this year.

14. How many game (your team/win) so far this season?

15.(you / visit) the CN tower when you (stay) in Toronto?

16. Peter(play) football yesterday?

17. They(clean) the car. It look new again.

18. Last year we(go) to Italy.

19. Jonh and Peggy(just read) the book. Now they can watch the film.

20. I (meet) my friend two days ago.

21. I(not see) Peter since I(arrive) last Tuesday.

22. (You/do) your homework yet?

- Yes, i (finish) it one hour ago.

Xem chi tiết

Lớp 6 Tiếng anh Luyện tập tổng hợp

Vương Trường Phú

24 tháng 2 2020 lúc 9:16

III/ Simple past & present perfect GIÚP MÌNH VỚI NHÉ 1. I _____________________ (move) to Seattle in January. I _____________________ (live) here for 3 months now. I _____________________ (live) in Canada from 1978 to 1980. 2. My friend ______________ (live) in Seattle since 1990. 3. My teacher in my country was British. I _________________ (study) with her for 1 year. 4. Now my teacher is American. I _________________ (study) with her since the beginning of the quarter. 5. My fat...

Đọc tiếp

III/ Simple past & present perfect

GIÚP MÌNH VỚI NHÉ

1. I _____________________ (move) to Seattle in January. I _____________________ (live) here for 3 months now. I _____________________ (live) in Canada from 1978 to 1980.

2. My friend ______________ (live) in Seattle since 1990.

3. My teacher in my country was British. I _________________ (study) with her for 1 year.

4. Now my teacher is American. I _________________ (study) with her since the beginning of the quarter.

5. My father __________________ (work) hard all of his life. (he is dead.)

6. My father __________________ (work) hard all of his life. (He is alive.)

7. My friend works at Microsoft now, but before that, she ____________________ (have) a job with Boeing.

8. Since January, I _________________ (have) a great job. I feel very lucky.

9. My parents ____________________ (like) my girlfriend since they met her.

10.Last night, I _______________________________ (talk) to my friend.She___________ (have) great news. She’s getting married soon. But she ___________________ (tell/not) her parents yet.They __________________________________ (be) angry at her for two weeks because she ____________________________________ (borrow) their car and________________ (have) an accident two weeks ago

11.Last week, I _____________ (meet) my friend at a Restaurant. We _____________ (have) many things to talk about. He is married now. He __________________ (be) married for 2 years. Since 1990, he _______________ (work) for a travel agency. He ____________ (travel)around the world two times and he is going to go again next year. I _____________ (meet/never) his wife. He___________________ (say) she likes to travel, too.

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)