20. As you can see, the number of cars on roads ______ rising these days.

A. was keeping　　 B. keep　　　　 C. keeps　　　　　 D. were keeping

19. I know you don’t like ______ music very much. But what do you think of _____ music in the film we saw yesterday?

A. 不填；不填　　　 B. the；the　　 C. the；不填　　　 D. 不填；the

18. There were a lot of people standing at the door and the small girl couldn’t get _______ .

A. between　　　 B. through　　　 C. across　　　 D. beyond

17. We often provide our children with toys, footballs or basketballs, _____ that all children like these things.

A. thinking　　 B. think　　　　 C. to think　　 D. thought

16. -What did your parents think about your decision?

-They always let me do _____ I think I should.

A. when　　　　　 B. that　　　　 C. how　　　　 D. what

15. Mary wanted to travel around the world all by herself, but her parents did not _______ her to do so.

A. forbid　　　　 B. allow　　　　 C. follow　　　 D. ask