1. 用括号内所给动词的适当形式填空

1. （1） I (study) English at this school for three years.

3. （2） Yao Ming (go) to America three months ago.

5. （3） I need (improve) my spoken English.

7. （4） Do you have any problem (get) to the top of the hill?

9. （5） To be (honesty), it was one of the best novels that I have ever read.

11. （6） It's fun (learn) another language.

13. （7） Next month Harry (visit) his grandparents with his parents.

15. （8） —Where is Mr. Wang?
    

    —He (go) to the library. He wants to borrow some library books.
    

17. （9） At first she (think) about going camping, but later she changed her mind.

19. （10） How long have you been (wait) here?