III. Choose the best answer a,b,c, or d to complete the sentences.

1. Do you know what is the cause __________ pollution?

A, of                                   B. in                            C. on                           D. for

2. Tsunami is one of __________ natural disasters. 

A. worse                      B. worst                       C. worse than              D. the worst

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

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

4. As soon as I shut the front door I realised that I________my key in the house.

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

5. It can’t be denied that English has become an __________ language of the world.

A. national                              B. international       C. cultural           D. multicultural

6. The train __________ the railway station at 8:00 a.m. every morning.

A. leave                                   B. leaving        C. will leave                D. leaves

7.  __________ pollution is harmful or annoying level of noise, as from vehicles, industry activities, etc.

A. Light                                   B. Visual        C. Soil                         D. Noise

8. When they arrived, we _________ the test.

A. had already started             B. have already started          

C. started                     D. already starts

9. Koalas are well-known as the symbol __________ Australia.

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

10. I can’t hear your voice __________ I’m wearing an earplug. 

A. although                             B. due                          C. however                  D. because

11. His grandfather made him __________ hard when he was small 

A. study                                   B. to study                   C. studying                  D. studied

12. Japan suffers from a large number of __________ every year.

A. typhoons                             B. workers                   C. eruption                  D. earthquakes 

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

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

14. A: What are you doing?

B: We are getting ready. We__________our uncle in hospital.

A: Really? Give him my regards!

A. have been visiting              B. are going to visit     C. visit            D. will be visiting     

15. What is _________ official language of your country?

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

16. A: The alarm's going. It's making an awful noise.

B:  OK, I ________ it off.

A. am switching          B. will switch              C. am going to switch      D. switch

17. There have been some __________ eruptions in this area for the last 10 years.

A. volcanic                              B. scattering                C. homeless                 D. disastrous

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

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

19. All planes_____ before departure.

A. check                      B. will check               C. will be checked                  D. will be checking

20. Many buildings __________ in the earthquake and many people have been trapped there. 

A. collapsed                            B. collapses                 C. collapse                  D. collapsing

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

A. Disaster                              B. Mudslide                C. Drought                  D. Trap

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

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

23. Last Sunday we wanted to go skiing, but we couldn’t because in the mountains there was an __________.

A. earthquake                          B. drought                   C. flood                       D. snowstorm

24. I prefer face-to-face conversation __________ video call. 

A. to                                        B. on                           C. of                            D. with

25. Since 1965, the maple tree with red leaves _________ the most well-known Canadian symbol.

A. has become                        B. become                   C. became                   D. becoming

26. Scientists has just come up __________ a solution to hearing loss

A. to                                        B. on                           C. with                        D. down

27. I said that I had met her ______ .

A. yesterday                            B. the previous day                

C. the next day            D. the before day

28. Non-verbal __________ is popular in our daily life.

A. communicate          B. communication

C. communicative       D. communicating

29.  Trung speaks English like a native __________ though he comes from 

A. speak                      B. speaking                 C. speaker                   D. spoke

30. If we dump a plastic into the ground, it __________ a long time to disappear.

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

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions

You must know how to ________between what is good for you and what is not

A. differ 

B. vary 

C. solve 

D. distinguish

Choose the letter A, B, C or D to complete the passage below

Air pollution is one of _________ (6) problems of the current time all over the world. There ___________ (7) a lot of reasons for this pollution. First of all, the release of air pollutants such as smog and solid materials cause air pollution and health issues ___________ (8) human. ___________ (9) dirty wastes in big cities are polluting the whole atmospheric air. Thirdly, motor vehicles are releasing polluted gases contributing to the air pollution. Finally, some natural ________ (10) like dust, soil particles, and natural gases are also the source of air pollution.

Question 8:

A. in

B. of

C. to

D. with

Choose the letter A, B, C or D to complete the passage below

Air pollution is one of _________ (6) problems of the current time all over the world. There ___________ (7) a lot of reasons for this pollution. First of all, the release of air pollutants such as smog and solid materials cause air pollution and health issues ___________ (8) human. ___________ (9) dirty wastes in big cities are polluting the whole atmospheric air. Thirdly, motor vehicles are releasing polluted gases contributing to the air pollution. Finally, some natural ________ (10) like dust, soil particles, and natural gases are also the source of air pollution.

Question 10:

A. pollutes

B. pollutions

C. pollutants

D. polluting

Choose the letter A, B, C or D to complete the passage below

Air pollution is one of _________ (6) problems of the current time all over the world. There ___________ (7) a lot of reasons for this pollution. First of all, the release of air pollutants such as smog and solid materials cause air pollution and health issues ___________ (8) human. ___________ (9) dirty wastes in big cities are polluting the whole atmospheric air. Thirdly, motor vehicles are releasing polluted gases contributing to the air pollution. Finally, some natural ________ (10) like dust, soil particles, and natural gases are also the source of air pollution.

Question 7:

A. are

B. is

C. being

D. be

Choose the letter A, B, C or D to complete the passage below

Air pollution is one of _________ (6) problems of the current time all over the world. There ___________ (7) a lot of reasons for this pollution. First of all, the release of air pollutants such as smog and solid materials cause air pollution and health issues ___________ (8) human. ___________ (9) dirty wastes in big cities are polluting the whole atmospheric air. Thirdly, motor vehicles are releasing polluted gases contributing to the air pollution. Finally, some natural ________ (10) like dust, soil particles, and natural gases are also the source of air pollution.

Question 9:

A. Thirdly

B. Secondly

C. Fourthly

D. fifthly

Choose the letter A, B, C or D to complete the passage below

Air pollution is one of _________ (6) problems of the current time all over the world. There ___________ (7) a lot of reasons for this pollution. First of all, the release of air pollutants such as smog and solid materials cause air pollution and health issues ___________ (8) human. ___________ (9) dirty wastes in big cities are polluting the whole atmospheric air. Thirdly, motor vehicles are releasing polluted gases contributing to the air pollution. Finally, some natural ________ (10) like dust, soil particles, and natural gases are also the source of air pollution.

Question 6:

A. serious

B. more serious

C. the most serious

D. serious than