1. .......Is chemical used for killing insects.
A. Pollution B. Dynamite B. Pesticide D. deforestation
2. They are trying on save the animals......extinction.
A. on B. to C. from D. for
3. The air in the country is .........fresher and purrer than in the city
A. extreme B. actually C. kindly D. until
4. ........air is one of the many problems we have to solve
A. Pure B, Pollution C. Dust D. Pleasant.
5. I'm disappointed......people have spoiled his area.
A. that B. when B. if D. with
6. We couldn't go on a picnic as planned.....it was raining hard
A. although B. but C. because D. so
7. We can eat at home or,........you prefer, we can go to a restaurant.
A. When B. whether C. if D. unless.
8. Because plastic bags are very hard to......They will cause ollution.
A. dissolve B. wrap C. tear D. unless.
9. I think we should.....lazy students from throwing trash.
A. ticket B. attenntion C. fee D. Fine
10. Our flight from Amsterdam to London was delayed......he heavy fog.
A. because of B. in spite of C. because . though.
11. The wall is covered.......posters advertusing a few films.
A. in B. forward. C. because D. though
12. This river is polluted, a lot of fish died and floated on the......
A. water line B. water face C. water front D. water surface.
13. We stayed at home it.......was raining heavily.
A. since B. and C. but D. so
14. If they......students, they must wear uniform.
A. were B. had C. are D. was.
