6."Could I ask you a few question about your favorite movies?" 
a. That sounds good.         c. Sure. Go ahead 
b. Not a bad idea         d. But I don't want to. 
17. People produce as much rubbish as we do now. 
a. use to     b. used to     c. used to not     d. didn't use to 
18. You cross the street when the light is red. 
a. should     b. don't have to     c. can         d. mustn't
19. I often go to work late because of 
a. berry jam     b. traffic jam         c. jam pot     d. cherry jam
20. I don't mind ………………….a DVD, but I prefer ……………..to the cinema. 
a. to watch-to go     b. watching-go     c. to watch-going     d. watching-to go 
21. Why don't you take a new hobby? 
a. up         b. in         c. over     d. after 
22. She looks very tired. She should work …………….or she will get sick.
 a. well     b. less         c. more    d. enough
23. The river is heavily polluted. They should 
a. clean it up         b. give it away     c. pick out     d. recycle it 
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