16. If the weather ……………… good, I ………………. camping with classmates.A. is / will go B. is / go ...

Hãy tham gia nhóm Học sinh Hoc24OLM

Phan Hải Linh

2 tháng 5 2022 lúc 14:06

1. The people here are ______________ A. friendly B. delicious C. polluted D. long2. He likes playing table tennis, ______________he can’t play it. A. and B. but C. so D. or3. If you _________ these bottles, you will save a lot of money. A. uses B. reduces C. reuse D. reused4. I think “Tom and Jerry is the best ______________ . ...

Đọc tiếp

1. The people here are ______________

A. friendly B. delicious C. polluted D. long

2. He likes playing table tennis, ______________he can’t play it.

A. and B. but C. so D. or

3. If you _________ these bottles, you will save a lot of money.

A. uses B. reduces C. reuse D. reused

4. I think “Tom and Jerry is the best ______________ .

A. news B. sport C. newsreel D. cartoon

5. In the future, we won’t go on holiday to the beach but we ________ go on holiday to the moon.

A. must B. can’t C. might D. won’t

6._____________the air is cleaner, people will have less breathing problems.

A. Unless B. When C. If D. Because

7. They couldn’t go on a picnic ______________the weather was bad.

A. because B. when C. but D. or

8. We will have a robot to ___________ the children.

A. look for B. look at C. look after D. look up

9. I want to watch the cartoon _________ it is funny and simple.

A. but B. so C. although D. because

10. They ______ badminton next week.

A. will play B. to play C. playing D. plays

11. This is my house . This house is ________
     A. my                       B. me                  C. mine                 D. I
12. What can we do to__________ air pollution?
     A. reduce                  B. reuse               C. wash                D. recycle
13. Don’t forget to __________ the lights when you go out of the classroom.
      A. turn on                B. turn off           C. close               D. shut down
14. Hue is an interesting city. I love ______food.
     A. it                          B. its                    C. it’s                  D. it is
15. Who is your favorite _______? He is Pelé

     A. farmer                            B. teacher             C. singer              D. sportman
16. You should put the food in a reusable box __________ plastic bags.
     A. By                        B. Instead of         C. Because of       D. Without
17. If we use __________ paper, we will save a lot of trees.
     A. Fewer                             B. Less                C. More                D. Much

18. Could you turn _________ the volume please? I can’t hear that singer very well.

A. up B. down C. on D. off

19. I like watching the news _________ I want to know what is happening around the world

A. and B. so C. but D. because

20. _______air and the environment will be more polluted someday.

A. a B. an C. the D. one

Xem chi tiết

Lớp 6 Tiếng anh

Phan Hải Linh

2 tháng 5 2022 lúc 13:55

I. Choose the best answer.1. The people here are ______________ A. friendly B. delicious C. polluted D. long2. He likes playing table tennis, ______________he can’t play it. A. and B. but C. so D. or3. If you _________ these bottles, you will save a lot of money. A. uses B. reduces C. reuse D. reused4. I think “Tom and Jerry is the be...

Đọc tiếp

I. Choose the best answer.

1. The people here are ______________

A. friendly B. delicious C. polluted D. long

2. He likes playing table tennis, ______________he can’t play it.

A. and B. but C. so D. or

3. If you _________ these bottles, you will save a lot of money.

A. uses B. reduces C. reuse D. reused

4. I think “Tom and Jerry is the best ______________ .

A. news B. sport C. newsreel D. cartoon

5. In the future, we won’t go on holiday to the beach but we ________ go on holiday to the moon.

A. must B. can’t C. might D. won’t

6._____________the air is cleaner, people will have less breathing problems.

A. Unless B. When C. If D. Because

7. They couldn’t go on a picnic ______________the weather was bad.

A. because B. when C. but D. or

8. We will have a robot to ___________ the children.

A. look for B. look at C. look after D. look up

9. I want to watch the cartoon _________ it is funny and simple.

A. but B. so C. although D. because

10. They ______ badminton next week.

A. will play B. to play C. playing D. plays

11. This is my house . This house is ________
     A. my                       B. me                  C. mine                 D. I
12. What can we do to__________ air pollution?
     A. reduce                  B. reuse               C. wash                D. recycle
13. Don’t forget to __________ the lights when you go out of the classroom.
      A. turn on                B. turn off           C. close               D. shut down
14. Hue is an interesting city. I love ______food.
     A. it                          B. its                    C. it’s                  D. it is
15. Who is your favorite _______? He is Pelé

     A. farmer                            B. teacher             C. singer              D. sportman
16. You should put the food in a reusable box __________ plastic bags.
     A. By                        B. Instead of         C. Because of       D. Without
17. If we use __________ paper, we will save a lot of trees.
     A. Fewer                             B. Less                C. More                D. Much

18. Could you turn _________ the volume please? I can’t hear that singer very well.

A. up B. down C. on D. off

19. I like watching the news _________ I want to know what is happening around the world

A. and B. so C. but D. because

20. _______air and the environment will be more polluted someday.

A. a B. an C. the D. one

21. My friend Mark is very good ________ volleyball. He plays volleyball very well.

a. in b. on c. at d. with

22. We often go swimming ________ Sunday morning.

A. in B. on C. at D. for

23. Badminton requires only a net, a racket, and ________.

A. ball B. ski C. shuttlecock D. goggles

24. The package includes a tour of Sydney’s famous _________.

A. Opera House B. Eiffel Tower C. Big Ben D. White House

25. _________ a nice day! Shall we go swimming?

A. How B. When C. What D. Which

26. Manchester is famous _________ its football teams.

A. in B. with C. for D. as

27. The Eiffel tower is Paris’s most famous _________.

A. building B. monument C. palace D. landmark

28. In the future, we’ll live in a hi-tech house on ________.

A. moon B. a moon C. an moon D. the moon

29. We ________ have flying cars in 2050, so there will probably be fewer cars on our roads.

A. can b.should c. must d. might

30. A trip to Mars sounds amazing, ________ I would not like to live there!

A. but B. so C. and D. because

31. People ________ on Mars someday, but it is too expensive to travel there now.

A. live B. are living C. will live D. have lived

32 You shouldn’t throw those papers _________,try to recycle them.

A. at B. away C. for D. on

33. We should use reusable shopping bags __________ plastic bags.

A. instead of B. because of C. in front of D. place of

34. If more people cycle, there will be __________ air pollution.

A. much B. more C. less D. little

35. Which of the following cannot be recycled?

A. Milk cartons B. Glass bottles C. Cans D. noise

36. Nam _______badminton yesterday.

A. play B. doesn’t play C. don’t play D. didn’t play

37. There _______an interesting match on TV last night.

A. is B. was C. were D. are

38. A _________can send and receive emails.

A. fridge B. washing machine C. computer D. dishwasher

39. You are students , you can __________to make your school greener.

A. plant trees B. throw rubbish C. use plastic bags D. smoke

40. My brother’s room is ________than mine

A. clean B. cleaner C. cleanest D. the cleanest.

Xem chi tiết

Lớp 6 Tiếng anh

Vương Hy

4 tháng 1 2018 lúc 20:10

if the weather ....good tomorrow , I ...... camping with classmates

A ) is / will go

B ) is / go

C ) will be / go

D ) will be / will go

Xem chi tiết

Lớp 6 Tiếng anh Câu hỏi của OLM

Phạm Huy Hoàng

19 tháng 2 2020 lúc 16:37

Choose the best options to complete the sentences.1.“____________ do you practise boxing?” – “I practise it in the gym.”A. Where B. What C. Why2. “_____________was your weekend?” – “It was boring.”A. Which B. How C. What3. “____________ dont you do yoga to be healthier?” –“Thats a good idea!”A. When B. Where C. Why 4. “_____________ is the biggest city of Vietnam?”– “I think its Ho Chi Minh City.”A. Which B. Where C. How5. “______________ did they arrive in Paris?” – “They arrived in Paris yeste...

Đọc tiếp

Choose the best options to complete the sentences.

1.“____________ do you practise boxing?” – “I practise it in the gym.”

A. Where B. What C. Why

2. “_____________was your weekend?” – “It was boring.”

A. Which B. How C. What

3. “____________ don't you do yoga to be healthier?” –“That's a good idea!”

A. When B. Where C. Why 4. “_____________ is the biggest city of Vietnam?”– “I think it's Ho Chi Minh City.”

A. Which B. Where C. How

5. “______________ did they arrive in Paris?” – “They arrived in Paris yesterday.”

A. Where B. Why C. When

6.I promise I____________ football in the house again.

A. will play B. won’t play C. play D. don’t play

7.We____________to school last week. A. didn’t go B. don’t go C. not go D. are not going

8. Mrs. White____________us English. A. teach B. is taught C. teaches D. teaching

9. ____________he was tired, he finished the work on time.

A. In spite of B. Despite C. Because of D. Although

10. He is lazy, ____________ he often gets bad marks.

A. because B. so C. but D.although

Xem chi tiết

Lớp 6 Tiếng anh Câu hỏi của OLM

Trương Đình Gia Khánh

30 tháng 4 2020 lúc 9:50

I. Find the word which has a different sound in the underlined part1. A. living B. wireless C. hi- tech D. nice2. A. robot B. go C. no D. not3. A. machine B. cheap C. watch D. childrenII. Choose the best answer4. Mrs. Hoa and I ___________ you later.A. will call B. to call C. calling D. calls5. What___________ tomorrow morning?A. you will do B. will you do C. do you do D. you do6. We didn’t go to the beach yesterday___________ it was raining.A. and B. but C. because D. so7. We___________ David i...

Đọc tiếp

I. Find the word which has a different sound in the underlined part

1. A. living B. wireless C. hi- tech D. nice

2. A. robot B. go C. no D. not

3. A. machine B. cheap C. watch D. children

II. Choose the best answer

4. Mrs. Hoa and I ___________ you later.

A. will call B. to call C. calling D. calls

5. What___________ tomorrow morning?

A. you will do B. will you do C. do you do D. you do

6. We didn’t go to the beach yesterday___________ it was raining.

A. and B. but C. because D. so

7. We___________ David in town a few days ago.

A. are seeing B. see C. sees D. saw

8. Pelé is widely regarded as the best ___________ of all time.

A. newsreader B. scientist C. weatherman D. football player

9. ___________ is your birthday?

A. Whose B. When C. Where D. Who

10. The robot will____________ of the flowers in the garden.

A. take care B. take note C. be careful D. carry

11. We might have a____________ TV to watch TV programmes from space.

A. wireless B. remote C. automatic D. local

12. I would like to have my house by____________ so we can see the beach from my window.

A. the mountains B. the city C. the sea D. the countryside

13. A hi-tech robot will help us____________ children while we are away.

A. look out B. look at C. look after D. look in

14. Our future houses will use____________ energy, and they are very friendly to the environment.

A. sun B. sunny C. solar D. lunar

15. People will____________ flying cars in the future.

A. drive B. to drive C. be drive D. driving

16. Have you ever____________ to London?

A. be B. being C. been D. gone

17. This is the first time I____________ a 3D film.

A. watch B. watched C. watches D. have watched

18. Which____________ is Japanese in? – Asia.

A. country B. continent C. city D. area

19. Make a question for the underlined part:

- My father plays tennis every Friday.

A. How does your father play tennis?

B. How often your father plays tennis

Xem chi tiết

Lớp 6 Tiếng anh Câu hỏi của OLM

Phí Quỳnh Anh

30 tháng 4 2020 lúc 9:51

I. Find the word which has a different sound in the underlined part1. A. living B. wireless C. hi- tech D. nice2. A. robot B. go C. no D. not3. A. machine B. cheap C. watch D. childrenII. Choose the best answer4. Mrs. Hoa and I ___________ you later.A. will call B. to call C. calling D. calls5. What___________ tomorrow morning?A. you will do B. will you do C. do you do D. you do6. We didn’t go to the beach yesterday___________ it was raining.A. and B. but C. because D. so7. We___________ David i...

Đọc tiếp

I. Find the word which has a different sound in the underlined part

1. A. living B. wireless C. hi- tech D. nice

2. A. robot B. go C. no D. not

3. A. machine B. cheap C. watch D. children

II. Choose the best answer

4. Mrs. Hoa and I ___________ you later.

A. will call B. to call C. calling D. calls

5. What___________ tomorrow morning?

A. you will do B. will you do C. do you do D. you do

6. We didn’t go to the beach yesterday___________ it was raining.

A. and B. but C. because D. so

7. We___________ David in town a few days ago.

A. are seeing B. see C. sees D. saw

8. Pelé is widely regarded as the best ___________ of all time.

A. newsreader B. scientist C. weatherman D. football player

9. ___________ is your birthday?

A. Whose B. When C. Where D. Who

10. The robot will____________ of the flowers in the garden.

A. take care B. take note C. be careful D. carry

11. We might have a____________ TV to watch TV programmes from space.

A. wireless B. remote C. automatic D. local

12. I would like to have my house by____________ so we can see the beach from my window.

A. the mountains B. the city C. the sea D. the countryside

13. A hi-tech robot will help us____________ children while we are away.

A. look out B. look at C. look after D. look in

14. Our future houses will use____________ energy, and they are very friendly to the environment.

A. sun B. sunny C. solar D. lunar

15. People will____________ flying cars in the future.

A. drive B. to drive C. be drive D. driving

16. Have you ever____________ to London?

A. be B. being C. been D. gone

17. This is the first time I____________ a 3D film.

A. watch B. watched C. watches D. have watched

18. Which____________ is Japanese in? – Asia.

A. country B. continent C. city D. area

19. Make a question for the underlined part:

- My father plays tennis every Friday.

A. How does your father play tennis?

B. How often your father plays tennis

Xem chi tiết

Lớp 6 Tiếng anh Câu hỏi của OLM

Lê Trần Khánh Vân

23 tháng 4 2020 lúc 19:48

I. Find the word which has a different sound in the part underlined.1. A. weather B. newsreader C. teaching2. A. game B. relax C. national3. A. programme B. sport C. most4. A. thirty B. them C. both5. A. schedule B. when C. comedy6. A. brother B. through C. thenII. Find which word does not belong to each group.7. A. director B. viewer C. audience8. A. international B. local C. boring9. A. studio B. cartoon C. world news10. A. newsreader B. programme C. comedian11. A. reporter B. educational C. e...

Đọc tiếp

I. Find the word which has a different sound in the part underlined.
1. A. weather B. newsreader C. teaching
2. A. game B. relax C. national
3. A. programme B. sport C. most
4. A. thirty B. them C. both
5. A. schedule B. when C. comedy
6. A. brother B. through C. then
II. Find which word does not belong to each group.
7. A. director B. viewer C. audience
8. A. international B. local C. boring
9. A. studio B. cartoon C. world news
10. A. newsreader B. programme C. comedian
11. A. reporter B. educational C. exciting
III. Choose the best answer (A, B, C or D).
12. - __________ do you like the modern English programme?
- Because it helps me with my English.
A. What B. Where C. Why
13. Disney channel is one of the most __________ channels __________
children.
A. good – for B. popular – to C. popular – for
14. My father likes watching sports __________ on VTV3.
A. channels B. events C. matches
15. The football match is on at 2 a.m __________ I can’t watch it.
A. so B. because C. but
16. My brother wants to become a __________ to tell TV viewers what the
weather is like.
A. newsreader B. actor C. weatherman
17. TV __________ can join in some game shows through telephone or by
email.
A. weathermen B. people C. viewers
18. __________ are films by pictures, not real people and often for children.
A. Documentary B. Cartoon C. Love stories
19. Are there any good programmes __________ teenagers on TV tonight?
A. for B. of C. with
20. My father works late tomorrow, so he will __________ the first part of the
film on VTV1.
A. miss B. lose C. forget
21. That TV programme is not only interesting __________ it also teaches
children many things about family and friendship.
A. and B. so C. but
22. - __________ is the weather forecast programme on?
- At 7.30 pm every day.
A. what B. when C. why
23. __________ the newsreaders on BBC One read very fast. My brother can

hear everything in the news.
A. but B. although C. when
24. If you want to know what the __________ is like tomorrow, watch the
weather forecast.
A. weather B. music C. world news
25. My sister often __________ badminton in her free time.
A. play B. plays C. playing
IV. Match the sentences halves and write the answer in each blank.
A B
1. I lost my money a. so I couldn’t buy anything.
2. She likes you a lot b. because she thinks you are very intelligent.
3. I looked for the key c. and had to stay at home
4. My friends were ill d. because I studied very hard
5. The film starts at ten e. but I just couldn’t find it.
6. I got good marks on the test f. so we couldn’t be home by eleven.
V. Put the word from the box in each space to complete the following sentences.

news popular live volume weatherman

1. My Tam’s ___________________ show at Lan Anh Stadium will be on TV next
Sunday.
2. The Voice Kids is a ___________________ programme. Everyone watches it
on Saturday nights.
3. The ___________________ programme is on VTV3 at 7pm every day.
4. I want to be a ___________________ in the future to tell people what the
weather’s like.
5. Could you please turn down the ___________________? It is too loud.

Xem chi tiết

Lớp 6 Tiếng anh Câu hỏi của OLM

NguyỄn Ly

27 tháng 4 2019 lúc 18:53

1.Walking to school will help........ari pollution.a,reduce b,reuse c,recycle d,refill2.My sister .........home for school yet.a,didnt leave b,hasnt left c,dont leave d,isnt leaving3.Amsterdam is one of the..........cities in the world.a,peacefulest b,peacefuler c,most peaceful d,more peaceful4.............the film is late, i will wait to watch it.a,Because b,When c,But d,Althought5.My father first............Da Lat in...

Đọc tiếp

1.Walking to school will help........ari pollution.

a,reduce b,reuse c,recycle d,refill

2.My sister .........home for school yet.

a,didn't leave b,hasn't left c,don't leave d,isn't leaving

3.Amsterdam is one of the..........cities in the world.

a,peacefulest b,peacefuler c,most peaceful d,more peaceful

4.............the film is late, i will wait to watch it.

a,Because b,When c,But d,Althought

5.My father first............Da Lat in 2010.

a,visited b,Went c,Go d,been

6,if the weather ...............good, i ............camping with classmate.

a,is/will go b,is/go c,will be/go d,will be/will go

7.Which one is different?

a,boxing b,cycling c.telling d,skiing

8.Find the world which has a different sound in the part underlined.

a,brother b,these c,thought d,clothes

Gíup Mk vs mk đag cần gấp!!

Xem chi tiết

Lớp 6 Tiếng anh Câu hỏi của OLM

Vu Hoang Anh

26 tháng 2 2020 lúc 16:07

II. Find the word which has a different sound in the part underlined.1. A. nearestB. headC. breadD. health 2. A. trafficB. stationC. safetyD. plane 3. A. enterB. vehicleC. helicopter D. mention 4. A. heyB. obeyC. greyD. honey 5. A. aheadB. healthyC. seatbeltD. bread 6. A. trafficB. pavementC. planeD. station 7. A. recycleB. vehicleC. helicopter D. reverse 8. A. signB. mistakeC triangle.D. drive III. Choose the best option to c...

Đọc tiếp

II. Find the word which has a different sound in the part underlined.

1. A. nearestB. headC. breadD. health 2. A. trafficB. stationC. safetyD. plane 3. A. enterB. vehicleC. helicopter D. mention 4. A. heyB. obeyC. greyD. honey 5. A. aheadB. healthyC. seatbeltD. bread 6. A. trafficB. pavementC. planeD. station 7. A. recycleB. vehicleC. helicopter D. reverse 8. A. signB. mistakeC triangle.D. drive III. Choose the best option to complete the sentence. 1. Minh used to __does_______his homework late in the evening. ( does/ do / doing / did) 2. If people _________the rules, there are no more accidents. ( follow / take care of / obey / remember) 3. You should _________right and left when you go across the roads.( see / look / be / take) 4. Hurry up or we can’t _________the last bus home. ( keep / follow / go / catch) 5. Public _________in my town is good and cheap. ( transport / tour / journey / travel) 6. _________is not very far from here to the city centre. ( That/ This / It / There) 7. When there is a traffic jam, it _________me a very long time to go home.( costs/ takes/ lasts/ spends) 8. Mai’s dad usually drives her to school __her school is very far from her house.( but / though/ because / or) 9. Traffic accidents can be prevented if people _______ the rules ( remember / obey / go after / take care of) 10. Hurry up, or we'll _______ the last bus. (lose / avoid / miss / drop) 11. Does your bike ever __________ down on the way to school? ( break/ take / do / turn) 12. Give a __________ before you turn left or right. ( sign / turn / sound / signal) IV. Complete the sentences with comparative or superlative form 1. Mount Everest is (high) ............................................................ mountain in the world. 2. Winter is (cold) ........................................................... season in the year. 3. Going by car is (convenient) .................................................... going by bicycle in this area. 4. The Sahara is (hot) .......................... ................................. desert in the world. 5. This building is (modern) .............. ............................................. that one. 6. The boat trip is (good) ................... ........................................ experience of my life. 7. Are your streets (narrow) .............. ............................................. our streets . 8. It’s (beautiful) .............................. ............................. mountain in Australia. 9. This park is (beautiful) ................ ........................................... that park. 10. The weather in Cua Lo Beach is (hot) .... .................................................... that in Ha Noi . V. Rewrite these sentences. 1. Lan learns Math very well. à Lan is very …………………………………. 2. Why don’t we go swimming? à What about………………………………………? 3. The birthday cake is very delicious. à What …………………………………. 4. Tom will visit his parents next month. à Tom’s parents …………………………………… ? 5. Nam works more hours than Lan. à Lan works ……………………………………… 6.My father waters this flower every morning. à This flower…………………………………….. 7.John invited Fiona to his birthday party last night. à Fiona ………………………………………………….. REVISION UNIT 8 : FILMS Question 1: Choose the word whose underlined part is pronounced differently from the others. 6. A. playedB. frightenedC. excitedD. bored 7. A. handB. transportC. characterD. celebration 8. A. washed B. attendedC. decidedD. disappointed Question 2: Choose the word that has a different stress pattern from the others. 9. A. trafficB. agreeC. noisyD. father 10. A. listenB. visitC. attendD. enter Question 3: Choose the correct answer to complete each following sentence by circling A, B, C or D. 1. I was __________ to learn that the director of that gripping film has won the first prize. A. interest B. interests C. interested D. interesting 2. The film was so __________. However, my father saw it from beginning to end. A. interesting B. exciting C. boring D. fascinating 3. We were __________ with the latest film of that director. A. satisfied B. satisfactory C. satisfying D. satisfy 4. It is a __________ game. It makes me bored. A. boringB. boredC. bore D. boredom 5. I have never felt as __________ as I did when I watched that horror film. A. terrify B. terrified C. terrifying D. terrible 6. Not many people went to see the film; __________, it received good reviews from critics. A. although B. but C. despite D. however 7. Let’s go to the Victor Cinema. I’m sure you’ll find the film __________. A. excites B. excite C. excited D. exciting 8. Last night, I didn’t go to bed early ___________ being very tired. A. because of B. although C. despite of D. in spite of 9. ____________ they spent a lot of money on the film, it wasn’t a big success. A. Nevertheless B. However C. When D. Although 10. Mr. Bean’s Holiday is a _____________ film – I was laughing from beginning to the end. A. moving B. scary C. violent D. hilarious 11. Linda used to ________ morning exercise when she got up early. A. didB. doesC. doingD. do 12. My father __________the bus to work every day, but I cycle. A. catchesB. drivesC. goesD. runs 13. You should look right and left when you go ________the road. A. downB. acrossC. upD. along 14. Bus is the main Public ________in Viet Nam. A.travelB. tricycleC. transportD. vehicle 15. The play was so boring. ________, An saw it from beginning to end. A. ThereforeB. DespiteC. HoweverD. Although 16. She’s sure that they will find the film_________. A. entertainingB. entertainC. entertainmentD. entertained 17. – “ Do you like seeing a film?” – “_________________” A. No, I like it at allB. Sure. What film shall we see? C. Who is in it?D. I’m sorry, I can’t. Question 4: Put a qusetion tag at the end of these statements. 1,Listen……….? 2,He won’t mind if I use his car,………? 3,You like watching TV,………..? 4,They can hardly do their homework,……….? 5,There aren’t any apples,………….? 6,Ben hasn’t had lunch,………………? 7,It never works well,………? 8,He needn’t say anything,……………? 9,She’d like some sugar,…………? 10,People shouldn’t drink when driving,………….? 11,He ought to finish this work,…………….? 12,Nothing went wrong,……………? 13,That isn’t Nam,………………? 14,Neither of them help you,…………..? 15,I’m fat,……….? Question 5: Correct mistakes. 1,This will fit in pockets,wouldn’t it? A B C D 2,He did not tell you about his trip ,didn’t he? A B C D 3,Many people lost their families during the storm,do they? A B C D 4,Tom goes to the cinema quite often ,didn’t he? A B C D 5,I am 10 years old,am not I? A B C D

Xem chi tiết

Lớp 6 Tiếng anh Câu hỏi của OLM

Khoá học trên OLM (olm.vn)

Khoá học trên OLM (olm.vn)