1. 根据句意,选用方框内所给词组填空。注意形式的变化。

let down, kick sb. off, pull together, be hard on, communicate with, worry about, learn from, think about, agree with, give up

1. （1） You don't have to me. I'm old enough to take good care of myself.
   
3. （2） Jim is not a good student. He is afraid that his teacher may.
   
5. （3） Mary failed the exams again. She thought she her parents once more.
7. （4） “You yourself. But it's not only your fault,”my father told me kindly.
   
9. （5） —What are you doing over there?

   —I when we will have the important meeting.

11. （6） Although many great people ever failed, they never and managed to succeed.
    
13. （7） —How did you get along with your uncle in America?

    —I often him regularly by letter.

15. （8） —What did he think of the plan?

    —He what you said about it.

17. （9） If you are going to win the match, you must continue.
19. （10） I believe that the boy his mistakes already.