1. When thermal pollution happens, the water temperature in streams, rivers, lakes and oceans _______.
A. changes B. keeps C. remains D. stays
2. If you were the president, what _____ you do to help the environment?
A. will B. did C. would D. do
3. I believe that our new manager has the ____ to work well in this business environment.
A. inflexible B. flexibly C. flexibility D. flexible
4. If we use water _____, more people will have cleaner water.
A. care B. carefully C. careless D. carelessly
5. English is an ______ language in Singapore.
A. office B. official C. officer D. officially
6. The acid rain has caused _____ to the trees in this area.
A. carefulness B. damage C. attraction D. difficulty
7. The train to Ha Noi ______ at 7 a.m tomorrow.
A. leaves B. leaving C. to leave D. left
8. Environmental pollution has _____ to lots of health problems.
A. caused B. got C. made D. led
9. The heavy rain has caused ______ in many parts of the country.
A. drought B. storms C. forest fire D. floods
10. I intended ______ to New York next month.
A. flew B. to fly C. fly D. flying
11. All our English teachers are _____ speakers.
A. native B. original C. foreign D. official
12. Eating too much sugar can ______ to health problems.
A. cause B. lead C. make D. take
13. I like _____ back my home village on holiday.
A. comes B. come C. came D. coming
14. If the factory continues dumping poison _______ the lake, all the fish and other aquatic animals will die.
A. into B. to C. about D. in
15. The famous Sydney Opera House_______ as an arts center since 1973.
A. serves B. served C. have served D. has served
16. The village’s drinking water _______ with poisonous chemicals since the factory came into operation.
A. contaminates B. is contaminated
C. has contaminated D. has been contaminated
17. I intended _____ to New York next month.
A. flew B. to fly C. fly D. flying
18. The sight of too many advertising billboards, overhead poles and shop signs causes _______ pollution
A. air B. light C. noise D. visual
19. Loudspeaker _______ in 1924 by C.W. Rice.
A. was invented B. invented C. has been invented D. is invented
20. All people who were without homes in the flood were provided with ____ accommodation.
A. short B. temporary C. present D. instant
21. Several villages around Mount Sinabung were buried in ___ and ____
A. destruction / injury B. eruption / lava
C. ash / debris D. aid / shelter
