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
1. In the future, many cars will run ________ electricity, which doesn’t cause air pollution.
A. in B. on C. by D. with
2. You should turn the tap ________ when you brush your teeth to save water.
A. up B. down C. on D. off
3. You should donate your old clothes, toys and furniture to people in ________.
A. order B. fact C. need D. case
4. ________ robots can help to teach children in the classroom, they will never replace teachers.
A. When B. Although C. Because D. If
5. There are lots of ________ problems nowadays, mainly because of pollution.
A. natural B. social C. practical D. environmental
6. To ________ waste we should avoid buying products with a lot of packaging.
A. recycle B. reuse C. reduce D. remake
7. ‘Will robots be more and more expensive?’ ‘_______ Prices will become cheaper over time.’
A. Not at all. B. Sure. C. Sounds great! D. I think so.
8. The Amazon River is ________ river in the world.
A. the wider B. wider than C. the widest D. widest
III. Choose the correct answer A, B, C, or D.
1. In the future, many cars will run ________ electricity, which doesn’t cause air pollution.
A. in B. on C. by D. with
2. You should turn the tap ________ when you brush your teeth to save water.
A. up B. down C. on D. off
3. You should donate your old clothes, toys and furniture to people in ________.
A. order B. fact C. need D. case
4. ________ robots can help to teach children in the classroom, they will never replace teachers.
A. When B. Although C. Because D. If
5. There are lots of ________ problems nowadays, mainly because of pollution.
A. natural B. social C. practical D. environmental
6. To ________ waste we should avoid buying products with a lot of packaging.
A. recycle B. reuse C. reduce D. remake
7. ‘Will robots be more and more expensive?’ ‘_______ Prices will become cheaper over time.’
A. Not at all. B. Sure. C. Sounds great! D. I think so.
8. The Amazon River is ________ river in the world.
A. the wider B. wider than C. the widest D. widest