II. Choose the best option A, B, C or D to complete the sentences. 1. Loch Ness is a__________ in the Highlands of Scotl...

Tìm kiếm câu trả lời Tìm kiếm câu trả lời cho câu hỏi của bạn

Hãy tham gia nhóm Học sinh Hoc24OLM

Bạn chưa đăng nhập. Vui lòng đăng nhập để hỏi bài

Chọn lớp:

Chọn môn:

Gửi câu hỏi ẩn danh

dốt tiếng anh bẩm sinh ;...

17 tháng 3 2022 lúc 20:43

II. Choose the best option A, B, C or D to complete the sentences.

1. Loch Ness is a__________ in the Highlands of Scotland.

A. person B. lake C. valley D. river

2. The inhabitants of Scotland are called__________.

A. Scotlanders B. Scotlish C. Scots D. Scotchs

3. Coming to New Zealand, you will be surprised by its many___________ views.

A. breath-taking B. taking-breath C. breath-take D. take-breath

4.The government of New Zealand has done a lot to __________ the culture of the Maori.

A.preserve B.surround C.puzzle D.pronounce

5. Last night’s storm caused a lot of __________ to people in that area.

A. droughts B. forests C. damages D. volcanoes

6.Coming to Scotland, visitors can drive through vast green __________.

A.lochs B.stations C.castles D.pastures

7. They are trying __________ residents from the flooded area.

A. evacuate B. evacuating C. evacuated D. to evacuate

8. After the tornado, a great number of people are made __________.

A. shaking B. homeless C. raging D. volcanic

9. __________ happens when there is not enough water for farming and drinking.

A. disaster B. mudslide C. drought D. trap

10. Eight o'clock is ______ good time to phone Nick: he's always at home in ______evening.

A. x– the B. a – the C. a - x D. a – an

11. Does it take _______ long time to get to _______ city centre?

A. x – the B. a – a C. a – the D. the – the
_{giúp mình với ạ ;-;}

Lớp 8 Tiếng anh

Linh Nguyễn

17 tháng 3 2022 lúc 20:46

1. Loch Ness is a__________ in the Highlands of Scotland.

A. person B. lake C. valley D. river

2. The inhabitants of Scotland are called__________.

A. Scotlanders B. Scotlish C. Scots D. Scotchs

3. Coming to New Zealand, you will be surprised by its many___________ views.

A. breath-taking B. taking-breath C. breath-take D. take-breath

4.The government of New Zealand has done a lot to __________ the culture of the Maori.

A.preserve B.surround C.puzzle D.pronounce

5. Last night’s storm caused a lot of __________ to people in that area.

A. droughts B. forests C. damages D. volcanoes

6.Coming to Scotland, visitors can drive through vast green __________.

A.lochs B.stations C.castles D.pastures

7. They are trying __________ residents from the flooded area.

A. evacuate B. evacuating C. evacuated D. to evacuate

8. After the tornado, a great number of people are made __________.

A. shaking B. homeless C. raging D. volcanic

9. __________ happens when there is not enough water for farming and drinking.

A. disaster B. mudslide C. drought D. trap

10. Eight o'clock is ______ good time to phone Nick: he's always at home in ______evening.

A. x– the B. a – the C. a - x D. a – an

11. Does it take _______ long time to get to _______ city centre?

A. x – the B. a – a C. a – the D. the – the

Đúng 1

Bình luận (2)

Các câu hỏi tương tự

Lê Quyên

21 tháng 3 2022 lúc 10:16

I. Choose the best answer A, B, C or D to complete the following sentences7. Last night’s storm caused a lot of __________ to people in that area.A. droughts B. forests C. damages D. volcanoes8. If you can speak English, you __________ able to go to Canada.A. will be B. will C. were D. are9. The road in front of my office is always __________ when it rains heavily.A. to flood ...

Đọc tiếp

I. Choose the best answer A, B, C or D to complete the following sentences

7. Last night’s storm caused a lot of __________ to people in that area.

A. droughts B. forests C. damages D. volcanoes

8. If you can speak English, you __________ able to go to Canada.

A. will be B. will C. were D. are

9. The road in front of my office is always __________ when it rains heavily.

A. to flood B. flooding C. flood D. flooded

10. The fire was raging so fiercely that the rescue workers found it hard to put it __________.

A. down B. out C. off D. with

11. After I __________ in the room, she left.

A. come B. had come C. came D. will come

12. This is one of the worst volcanic __________ in this year.

A. eruption B. erupt C. erupting D. eruptive

13. The roof of the building __________ in a storm a few days ago.

A. damaged B. was damaged C. has damaged D. has been damaged

14. In some English speaking countries, turkey is __________food at Christmas.

A. national B. historical C. traditional D. possible

15. If the factory _________ dumping poison into the lake, all the aquatic animals will die.

A. continues B. continued C. will continue D. continue

16. When the policeman came to the scene, the driver of the car __________.

A. have left B. had left C. leaves D. was left

II. Give the correct form of the words given to complete the sentences.

17. The street doesn’t look_____________ because it has a lot of rubbish. (attract)

18. If we use water____________ , more people will have fresh water. (care)

19. Air __________ is causing many environmental problems in our cities today. (pollute)

20. Singapore is famous for its __________ and green trees. (clean)

Xem chi tiết

Lớp 8 Tiếng anh

huỳnh

25 tháng 3 2022 lúc 14:20

7. Last night’s storm caused a lot of __________ to people in that area.A. droughts B. forests C. damages D. volcanoes8. If you can speak English, you __________ able to go to Canada.A. will be B. will C. were D. are9. The road in front of my office is always __________ when it rains heavily.A. to flood B. flooding C. flood ...

Đọc tiếp

7. Last night’s storm caused a lot of __________ to people in that area.

A. droughts B. forests C. damages D. volcanoes

8. If you can speak English, you __________ able to go to Canada.

A. will be B. will C. were D. are

9. The road in front of my office is always __________ when it rains heavily.

A. to flood B. flooding C. flood D. flooded

10. The fire was raging so fiercely that the rescue workers found it hard to put it __________.

A. down B. out C. off D. with

11. After I __________ in the room, she left.

A. come B. had come C. came D. will come

12. This is one of the worst volcanic __________ in this year.

A. eruption B. erupt C. erupting D. eruptive

13. The roof of the building __________ in a storm a few days ago.

A. damaged B. was damaged C. has damaged D. has been damaged

14. In some English speaking countries, turkey is __________food at Christmas.

A. national B. historical C. traditional D. possible

15. If the factory _________ dumping poison into the lake, all the aquatic animals will die.

A. continues B. continued C. will continue D. continue

16. When the policeman came to the scene, the driver of the car __________.

A. have left B. had left C. leaves D. was left

Xem chi tiết

Lớp 8 Tiếng anh

Hồ Quỳnh Anh

5 tháng 5 2019 lúc 15:29

Đọc tiếp

II. Choose the word which has the underlined part pronounced differently from the rest.
Question 6. A. recycle B. medical C. chemical D. athletic
Question 7. A. pollute B. botanic C. contaminate D. economy
Question 8. A. into B. history C. tiny D. disease
III. Choose the word which is stressed differently from the rest.
Question 9. A. national B. grammatical C. medical D. chemical
Question 10. A. athletic B. historic C. dramatic D. classic
Question 11. A. scientifically B. economic C. artistic D. scientific
IV. Choose the correct answer to complete each sentence.
Question 12. Water pollution can put negative __________ on our health.
A. contamination B. affects C. effects D. problems
Question 13. A: How can light pollution __________ animals?
B: It can make animals change their behavior patterns.
A. cause B. make C. affect D. lead
Question 14. The dove is a universal __________ of peace.
A. symbolizing B. symbolize C. symbolic D. symbol
Question 15. The city has an atmosphere which is quite __________. You will never feel like that in other
places.
A. important B. normal C. unique D. common
Question 16. __________ about the storm that stroke Hanoi last night?
A. Did you hear B. Do you heard C. Have you hear D. Did you heard
Question 17. Many people __________ because of the earthquake last week.
A. did injure B. injured C. have injured D. were injured
Question 18. When I looked at the river, I knew it __________ for a long time.
A. had contaminated B. had been contaminated
C. was contaminated D. contaminated
Question 19. All flights to Ha Noi had to be cancelled __________ the storm.
A. as a result B. due to C. because D. so
Question 20. When we were young, we __________ in the river near our home.
A. used to swim B. have swum C. had swum D. were swimming
V. Find a mistake in each sentence.
Question 21. My father worked (A) in a noisy factory for (B) a long time, since (C) he suffered from hearing
loss (D).
Question 22. The River Thames flows (A) through southern (B) England and connect (C) London with (D)
the sea.
Question 23. Much (A) of the town was reconstruct (B) after (C) the tornado (D).
Question 24. Look at (A) those (B) grey clouds! It will (C) rain soon (D).
Question 25. Students might (A) only use the (B) laboratory once (C) a (D) week.
VI. Read the passge. And decide if the following statements are true (T) or false (F).

Living in Scotland

Scotland is the UK’s most northern country and has around 790 islands off its coasts – 130 of which
have people living on them. Scotland is well known for its stunning landscapes, beautiful beaches and lochs,
which are fress water lakes. There are over 600 square miles of lochs in Scotland including the most famous
one, Loch Ness.
It has a population of just over five million people which is about 8.5 per cent of the whole UK
population. Over 2 milion of these live in Glasgow and Edinburgh, and almost half of Scotland’s population
live in the Central Belt, where both the largest city (Glasgow), and the capital city Edinburgh) are located.
Scotland also hostsone of the biggest arts festivals in the world. This is commonly known as the
Edinburgh Festival but is actually made up of a number of different festivals which happen at different times
of the year, though many do take place in August and September. Many people have heard of the Fringe
Festival, but there are also the International Festival, the Film Festival, the Children’s Festival and the
Edinburgh Mela which is an intercultural festival.
Question 26. Scottish people inhabit on over 1/6 of its all islands. __________
Question 27. Scotland’s population is over 1/10 of the whole UK population. __________
Question 28. People in Scotland prefer living in other areas to big cities. __________
Question 29. There are 2 common months for Edinburgh Festival. __________
Question 30. There won’t be any special events exclusively for kids in this Festival. __________
VII. Read the passage and answer the questions.
Technology has advanced to the point where instant communication anywhere in the world is an
everyday fact of life. Technology has improved, and has a positive impact on communication as a whole in
many (31) __________ . It has increased the reliability of sending messages to others, made it easier to meet
new people and keep (32) __________ touch with friends.
Modern communication is handled by wireless signals, undersea cables, satellites and other (33)
__________ technology, ensuring the fast delivery of messages and data to any locations. The accessibility of
technology also means that you don’t need to be in any special locations like a post office or mail room to
send a message; all you need is a cell phone.
Online communication has (34) __________ the door to new ways of communicating with strangers and
taking part in communities. Chat rooms, (35) __________ forums and dating sites let people meet each other
and get to know more people without having to be there in person.
Question 31. A. methods B. means C. forms D. ways
Question 32. A. on B. out C. for D. in
Question 33. A. advanced B. high C. simple D. basic
Question 34. A. opened B. closed C. been opened D. been closed
Question 35. A. channel B. discussion C. cyber D. media
VIII. Choose the best sentence that can be made from the cues given.
Question 36. We/ use/ art/ communicate/ 200 years.
A. We will be using art to communicate in 200 years.
B. We will use art for communicating for 200 years.
C. We will have used art to communicating in 200 years.
D. We will be using art for communicating by 200 years.
Question 37. I/ look forward to/ hear/ you/ soon.
A. I am looking forward to hearing from you soon.
B. I am looking forward to hear from you soon.
C. So am I looking forward to hear from you soon.
D. I look forward to hear from you soon.
Question 38. The number/ English speakers/ increase/ recent years.
A. The number of English speakers increase in recent years.
B. The number of English speakers have increased in recent years.
C. The number of English speakers increased in recent years.
D. The number of English speakers has increased in recent years.

Question 39. According/ latest report/ the number/ people/ injured/ typhoon/ nearly/ 150.
A. According to the latest report, the number of people injured in the typhoon was nearly 150.
B. According to the latest report, the number of people were injured in the typhoon were nearly 150.
C. According to lastest, the number of people injured in the typhoon were nearly 150.
D. According to the lastest report, the number of people have injured in the typhoon was nearly 150.
Question 40. Tsunamis/ also/ refer/ the public/ tidal waves.
A. Tsunamis also referred to the public as tidal waves.
B. Tsunamis also refer to the public as tidal waves.
C. Tsunamis is also referred as the public as tidal waves.
D. Tsunamis are also referred to the public as tidal waves.
_________THE END___________

Xem chi tiết

Lớp 8 Tiếng anh Câu hỏi của OLM

cham minh

19 tháng 2 2022 lúc 14:31

I. Circle the best option A, B, C or D to complete the sentences. (2pts)1. Would you mind if I _______________ some photos of your house?A. take B. taking C. took D. will take2. The man _______________ in the garden is my grandfather.A. is working B. works C. worked D. working3. The Pyramid of Cheops is one of the seven _______________of the world.A. wonders B. temples ...

Đọc tiếp

I. Circle the best option A, B, C or D to complete the sentences. (2pts)

1. Would you mind if I _______________ some photos of your house?

A. take B. taking C. took D. will take

2. The man _______________ in the garden is my grandfather.

A. is working B. works C. worked D. working

3. The Pyramid of Cheops is one of the seven _______________of the world.

A. wonders B. temples C. pyramids D. pagodas

4. Would you like _______________ for a drink?

A. go B. to go C. going D. went

5. Lan is _______________ watching TV.

A. always B. sometimes C. often D. rarely

6. Sydney Opera House _______________ in 1973.

A. complete B. is completed C. completed D. was completed

II. Circle the best option A, B, C or D in each group that has the underlined part pronounced differently from the rest. (0.5 pt)

9. A. guessed B. booked C. watched D. wanted

10. A. hotel B. honor C. heritage D. hundred

III. Circle a mistake A, B, C or D in each sentence. (0.5pt)

13. He asked me if I can speak more slowly.

A B C D

14. We are studying hard in order to passing the exam.

A B C D

IV* Read the following passage and circle the best option A, B, C or D that fits each blank. (2.5pts)

Dear Sally,

We are having a wonderful time (15) ……… the USA. The (16) ……… are friendly and the (17) ……… has been warn and sunny. In San Francisco, I (18) ……… my friends, Sandra Smith and (19) ……… family. It was (20) ……… to see them. I (21) ……… lots of souvenirs (22) ……… the children. Thanh is always complaining about the (23) ……… of my suitcase.

See you (24) …………

Love,

Quyen.

15. A. of B. on C. in D. at

16. A. boy B. student C. friend D. people

17. A. picture B. weather C. people D. summer

18. A. visiting B. visited C. to visit D. visits

19. A. her B. them C. him D. you

20. A. loving B. lovely C. love D. to love

21. A. is bought B. to buy C. bought D. has bought

22. A. between B. on C. to D. for

23. A. heaviness B. heavily C. heavy D. heaviless

24. A. on B. last C. soon D. so

Xem chi tiết

Lớp 8 Tiếng anh

cham minh

19 tháng 2 2022 lúc 14:41

Đọc tiếp

I. Circle the best option A, B, C or D to complete the sentences. (2pts)

1. Would you mind if I _______________ some photos of your house?

A. take B. taking C. took D. will take

2. The man _______________ in the garden is my grandfather.

A. is working B. works C. worked D. working

3. The Pyramid of Cheops is one of the seven _______________of the world.

A. wonders B. temples C. pyramids D. pagodas

4. Would you like _______________ for a drink?

A. go B. to go C. going D. went

5. Lan is _______________ watching TV.

A. always B. sometimes C. often D. rarely

6. Sydney Opera House _______________ in 1973.

A. complete B. is completed C. completed D. was completed

II. Circle the best option A, B, C or D in each group that has the underlined part pronounced differently from the rest. (0.5 pt)

9. A. guessed B. booked C. watched D. wanted

10. A. hotel B. honor C. heritage D. hundred

III. Circle a mistake A, B, C or D in each sentence. (0.5pt)

13. He asked me if I can speak more slowly.

A B C D

14. We are studying hard in order to passing the exam.

A B C D

IV* Read the following passage and circle the best option A, B, C or D that fits each blank. (2.5pts)

Dear Sally,

See you (24) …………

Love,

Quyen.

15. A. of B. on C. in D. at

16. A. boy B. student C. friend D. people

17. A. picture B. weather C. people D. summer

18. A. visiting B. visited C. to visit D. visits

19. A. her B. them C. him D. you

20. A. loving B. lovely C. love D. to love

21. A. is bought B. to buy C. bought D. has bought

22. A. between B. on C. to D. for

23. A. heaviness B. heavily C. heavy D. heaviless

24. A. on B. last C. soon D. so

Xem chi tiết

Lớp 8 Tiếng anh

Bố m cắt đầu moi.

13 tháng 5 2022 lúc 16:28

Choose the best answer (A, B, c or D) 1. People are using a lot of plastic bags everyday; ………………., the amount of waste has kept increasing. A. however B. therefore C. so D. although2. Scotland is very famous ……………, its rich culture as well as unique natural beauty. A. for B. about C. because D. in3. People consume a lot of contaminated food. It ………………. many health problems. ...

Đọc tiếp

Choose the best answer (A, B, c or D)

1. People are using a lot of plastic bags everyday; ………………., the amount of waste has kept increasing.

A. however B. therefore C. so D. although

2. Scotland is very famous ……………, its rich culture as well as unique natural beauty.

A. for B. about C. because D. in

3. People consume a lot of contaminated food. It ………………. many health problems.

A. leads in B. leads to C. results to D. results from

4. If more people ………………. public transport, it ……. reduce traffic jam and air pollution.

A. use-will B. used -will C. used-would D. use-would

5. You shouldn’t fiddle your ………………., when you speak to someone.

A. head B. nose C. hair D. shoulder

6. California ………………., the most iconic theme park in the world.

A. had B. has had C. have D. has

7. The ash of volcanic eruption ………………., be good for growing plants.

A. will B. may C. might D. both B & C

8. Most European citizen ………………., to apply for a visa to visit Canada.

A. doesn’t have B. don’t have C. didn’t have D. hadn’t have

9. Dave fancy ………………., non-fiction movies with his friends.

A. to watch B. watching C. be watched D. being watched

10. The teacher told me not hesitate ………………., her if I had some questions.

A. asking B. to ask C. being asked D. to be asked

11. The facsimile ……………. by Alexander Bain in 1843.

A. invented B. was invented C. has been invented D. has invented

12. If I had my computer now, I ……………. for the answer on the Internet.

A. will search B. would have searched C. would search D. would searched

13. My younger sister confessed ……………. my diary.

A. to read B. reading C. to have read D. to have reading

14. If local people drink this untreated water, they …………… have cholera.

A. will probably B. probably will C. would probably D. probably would

15. Do you agree that playing computer games might make players think …………….?

A. critic B. critical C. critically D. criticism

16. Science and technology have ……………. the life safe, secure and comfortable.

A. transformed B. made C. done D. changed

17. Dave asked me if robots in the future ………… more user-friendly and more intelligent.

A. will be B. would be C. will have been D. will be being

18. Many people think the cyber world might ……………. the real world one day.

A. provide B. take place C. take up D. replace

vì mik chũng bị thi nên giải tích giúp mik nha!!!

Xem chi tiết

Lớp 8 Tiếng anh

Bố m cắt đầu moi.

15 tháng 5 2022 lúc 7:49

Đọc tiếp

Choose the best answer (A, B, c or D)

1. People are using a lot of plastic bags everyday; ………………., the amount of waste has kept increasing.

A. however B. therefore C. so D. although

2. Scotland is very famous ……………, its rich culture as well as unique natural beauty.

A. for B. about C. because D. in

3. People consume a lot of contaminated food. It ………………. many health problems.

A. leads in B. leads to C. results to D. results from

4. If more people ………………. public transport, it ……. reduce traffic jam and air pollution.

A. use-will B. used -will C. used-would D. use-would

5. You shouldn’t fiddle your ………………., when you speak to someone.

A. head B. nose C. hair D. shoulder

kèm giả thích nha

Xem chi tiết

Lớp 8 Tiếng anh

Linh Phương

26 tháng 5 2021 lúc 15:44

III. Choose the best answer A, B, C,or D to complete the sentences:1 . …………. turning off the TV and lights, they went to bed.A. Behind B. In front of C. Before D. After2. I ………….a lot of information about her recently.A. have learnt B. would learn C. learnt D. will learn3. She failed the test ……………she studied hard. A. as B. despite ...

Đọc tiếp

III. Choose the best answer A, B, C,or D to complete the sentences:

1 . …………. turning off the TV and lights, they went to bed.

A. Behind B. In front of C. Before D. After

2. I ………….a lot of information about her recently.

A. have learnt B. would learn C. learnt D. will learn

3. She failed the test ……………she studied hard.

A. as B. despite C. although D. in spite of

4. If you were the president, what . . . . . you do to help the environment ?

A. will B. would C. do D. are

5. The Statue of Liberty is a major monument in New York which…. freedom.

A. attracts B. symbolises C. decides D. understands

6. An example of a natural disaster is a…………….

A. rain B. sunlight C. thunder D. tornado

7. Hundreds of people were made …………. after the flood.

A. helpless B. homeless C. careless D. careful

8.While I ………………the performance, I met one of my old friends.

A. watched B. was watching C. watch D. am watching

9. He will go out tonight, …. he?

A. won’t B.does C.isn’t D. will

10.A custom is something that has become an ……………. way of doing things.

A. to be accept B. to accept C. accepting D. accepted

Xem chi tiết

Lớp 8 Tiếng anh

tran thi quynh nhu

15 tháng 1 2020 lúc 14:59

PartI. For each of the sentences below, write a new sentence as similar as possible in meaning to the original sentence using thw word given. Do not change the given word.1. We have arranged to start the trip at 6 a.m. We………………………………………….. (ARE)2. There are a lot of old people need looking after. Many old people need someone…………them (TAKE)3. Why did you phone him, Linh? I want to know…………………………...,Linh.(WHAT)4. I haven’t done any gardening for three months. The last………………………………………(WAS)5. You sho...

Đọc tiếp

PartI. For each of the sentences below, write a new sentence as similar as possible in meaning to the original sentence using thw word given. Do not change the given word.

1. We have arranged to start the trip at 6 a.m.

=> We………………………………………….. (ARE)

2. There are a lot of old people need looking after.

=> Many old people need someone…………them (TAKE)

3. Why did you phone him, Linh?

=> I want to know…………………………...,Linh.(WHAT)

4. I haven’t done any gardening for three months.

=> The last………………………………………(WAS)

5. You should choose English to learn.

=> I………………………………………………(BETTER)

Part II. Rewrite each of the following sentences so that it means the same as the first one, beginning with the given words.

1. The flood was so high that they has to live on the roofs.

=> It was such…………………………………………..

2. No matter how rich he was, he never helped the poor.

=> Rich as…………………………………………………..

3. I think that no city in Viet Nam is more attactive than Da Nang.

=> I think Da Nang…………………………………………

4. Success depends on hard work.

=> The harder…………………………………….

5. It was wrong of you to behave like that to your boss.

=> You should……………………………………

Part III. Choose the correct answer A, B, C or D to complete each of the following sentences:

1. I have met the gild _____ the prize for the honesty.

A, rewarded B, rewarding C, to reward D, reward

2. This is a contest people have to arrange flowers in so it’s a __________ contest.

A, arranging-flower B, flowers-arranging C, flower-arrange D, flower-arraing

3. “War and Peace” _________ the longest book I have ever read.

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

4. The man taken to the city by his sons last week _______ to return his homeland.

A, want B, wanting C, wants D, wanted

5. Two years ago, Minh could not ride a bike but now he __________ his bike very well.

A, is ringding B, rides C, will ride D, rode

6. My mother prevented me _________ taking part in the festival yesterday.

A, from B, on C, for D, into

7. The inhabitants produce ______ tons of rubbish per week.

A, thousands B, thousand C, thousands of D, two thousands

8. Don’t worry. I remembered ________ some flour to make cakes yesterday.

A, to buy B, buying C, buy D, bought

9. ________ he was to play in the soccer match last week.

A, How skillfully B, What skill C, How skillful D, Skillful as

10. Don’t tell off him. He has ________ some progress recently.

A, achieved B, got c, done D, made

11. My mother wants me to finish the housework ________ as possible

A, much B, as quick C, as fast D, as many

12. After hirinh the canoe, the Browns climbed and paddled ________ the middle of the late.

A, out of B, out to c, to out d, out in

13. His mother forced him ______ the washing-up after all meals.

A, did B, to do C, doing D, done

14. You must put pressure _________ the wound when it is bleeding.

A, on B, up C, off D, out

15. the festical was held _______ March 8^th tp April 2^nd 2014.

A, on B, during C, within D, from

Xem chi tiết

Lớp 8 Tiếng anh Câu hỏi của OLM

Khoá học trên OLM (olm.vn)

Khoá học trên OLM (olm.vn)