Choose the best answer

1. Air___________, together with littering, is causing many problems in our cities today.
A. pollute                 B. pollution                C. polluting             D. polluted
2. The road in front of my office is always __________ when it rains heavily.
A. to flood                B. flooding C. flood D. flooded
3. Singapore is famous for its __________ and green trees.
A. cleanliness            B. cleanly                C. cleaning        D. clean
4. In some English speaking countries, turkey and pudding are ___________ food at Christmas.
A. national         B. historical                     C. traditional     D. possible
5. The USA has a population of 304 million, and it’s the third_________ country in the world.
A. smallest B. largest            C. narrowest D. highest              
6. The roof of the building _____________ in a storm a few days ago.
A. damaged            B. was damaged               C. has damaged          D. has been damaged
7. A severe tropical___________ is called a typhoon.
A. drought         B. rain                 C. flood D. storm               
8. As soon as the floodwater ___________ down, people ____________ their houses.
A. went - cleaned         B. had gone – cleaned C. went - had cleaned D. had gone – had cleaned
9. If I were you, I …  do something to prevent him from littering.
A. would B. did             C. will D. do
10. On Christmas Eve, most big cities, especially London are ____________ with coloured lights across the streets and enormous Christmas trees.
A. decorated B. hang C. put D. made
11. The Statue of Liberty is a major monument in New York which ____________freedom.
A. atracts             B. symbolises             C. decides            D. understands
12. When the policeman came there, the robber  …
A. had left B. has left            C. left             D. was left
13. All people who were without homes in the flood were provided with …….. accommodation.
A. short B. temporary            C. present D. instant
14. The USA ………………………its Independence Day  on July 4th.
A. celebrates            B. celebrated  C. is celebrating        D. has celebrated
15. When thermal pollution happens, the water temperature in streams, rivers, lakes and oceans ... .
A. changes B. keeps           C. remains            D. stays
16. Australia is home to ………….. animals like kangaroos and koalas.
A. only B. rare                      C. unique D. precious
17. If you were the president, what ……………. you do to help the environment?
A. will B. did            C. would D. do
18.The Maori in New Zealand greet each other by … ……..their noses.
A. touching B. punching C. blowing D. rubbing
19. 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
20. When the policeman came to the scene, the driver of the car ……….
A. have left B. had left C. leaves D. was left
21. The Sydney Opera House is an ………………….of Australia’s creative and technical achievement.
A. orchestra B. emblem    C. icon D. armorial
22. I believe that our new manager has the ……… to work well in this business environment.
A. inflexible B. flexibly                  C. flexibility              D. flexible
23. If the factory  … dumping poison into the lake, all the fish and other aquatic animals will die.
A. continues B. continued    C. will continue D. continue
24. You will recognize Jenny when you see her. She …………. a red hat.
A. wears B. is wearing C. will wear D. will be wearing
25.  The farmer rides the buffalo -____________ carts loaded full of rice home.
 
 
A. draw
B.  drawing
C. drew
D. drawn
26. Little Pascal ………..a mechanical calculator which could do additions or subtractions very quickly.
A. discovered B. found C. found out D. invented
27. Robots save workers from ………….dangerous tasks.
A. making B. having C. performing    D. carrying
28. Many people believe that robots have made workers jobless………that is not necessarily true.
A. but B. and C. so D. or
29. Recent ………developments have made robots more user-friendly and intelligent.
A. science B. scientist C. scientific D. scientifically
30. Teenagers spend most of their time playing computer games, ………they lost their interests in daily activities.    
 A. moreover B. so C. however D. as a result