22.(　 ) You_____ worry about her. She will be all right soon.

　　　 A. needn’t to　　 B. don’t need　 C. don’t have to　 D. not need

21.(　 ) _____ a little child gives us_____ great fun.

　　　 A. Such, such a　 B. So, so a　 C. Such, such　　 D. So, such

20.(　 ) His mother never goes to bed____ he is back from work.

　　　 A. until　　 B. as　　 C. since　　 D. why

19.(　 ) It’s too difficult. Why_____ the teacher for help?

　　　 A. not to ask　 B. not asking　 C. don’t ask 　　D. not ask

18.(　 ) He has to go back home before 9 o’clock, _____?

　　　 A. hasn’t he　 B. has he　　 C. doesn’t he　 D. does he

17.(　 ) I’m sorry I’m late again because I ______ catch the early bus.

　　　 A. don’t　　 B. didn’t　　 C. won’t　　 D. shan’t

16.(　 ) What are you going to do this evening? I’m not sure. I___ go to the cinema with my friends.

　　　 A. may　　 B. can　　 C. must　　 D. need

15.(　 ) Though you are weak in English, I advice you not_____.

　　　 A. to give up it　 B. to give it up　 C. give up it　 D. give it up

14.(　 ) Would you mind my sitting here? _____. It’s for my sister.

　　　 A. Not at all　 B. Of course　　 C. Certainly not　 D. You’d better not

13.(　 ) If your son feels_____ to watch TV by then, he is all right.

　　　 A. enough well　 B. well enough　 C. good enough　　 D. enough good