4. ……it got dark, the students couldn’t find the ways out of the forest.
a. And b. As c. But.
5. The building was completely collapsed …. the firefighter came.
a. and b. when c. but
6. Waster chemicals and smoke from vehicles and factories pollute not only the air … the land and water as well.
a. and b. with c. but .
7. If she … hard , she’ll break past records and set new one.
a. try b. tries c. will try .
8. …. it’s rainy, I walk home with umbrella.
a. When b. Though c. As
9. ….you smoke too much, you’ll get respiratory problems.
a. If b. though c. as
10. If her father doesn’t drink too much wine , he …. so sick .
a. won’t be b. doesn’t get c. isn’t.
11. This newspaper is …. everyday. It’s a daily newspaper.
a. publishing b. published . c. to publish
12. He shouted and looked ……. At me and angry when I broke the vase.
a. angry b. angrier c. angrily
13. He is tired …… he stay up late watching TV.
a. so b. because c. but
14. we are talking about the preservation of …. resources.
a. natural b. naturally. c. nature
15. Is he really … that you can’t come there.
a. disappoint b. disappointed c. disappointing
16. I think most children are creative enough to write… poems.
a. beauty b. beautiful c. beautifully
17. It is your policy to … forest and increase forestation.
a. protect b. protecting c. to protect
18 Everyone must take part in …. deforestation
a. prevent b. preventing c. to prevent
19. I suggest … to the movies .
a. go b. to go c. going
20. They made their living by … fish in the ocean everyday.
a. catch b. catching c. to catch