29．The number of ________ in our class ________ fifty.

　　A. student, is　　　　　　　　　　 B. the students, are

　　C. the students, is　　　　　　　　 D. students, are

28．-Do you mind my taking this place?

　　　　- ________ . It’s for Mr Smith.

　　A. Not at all　　　　　　　　　　　B. Yes, please

　　C. Yes, of course not　　　　　　　 D. Better not

27．Stop ________ so much noise! My father is sleeping.

　　A. to make　　　 B. making　　　　C. to hear　　　　D. hearing

26．We’ll go for a picnic if it ________ this Sunday.

　　A. won’t rain　　 B. isn’t raining　　C. doesn’t rain　　D. don’t rain

25．My watch doesn’t work. I must have it ________.

　　A. repaired　　　 B. repairs　　　　C. repair　　　　 D. repairing

24．-I’m sorry to keep you waiting for me so long.

　　　　- ________.

　　A. I don’t think so　　　　　　　　 B. Don’t say so

　　C. It doesn’t matter　　　　　　　　D. I’d love to

23．The ticket is on the floor, please ________.

　　A. pick up it　　　B. look for　　　 C. pick it up　　　D. look it up

22. The little girl was too frightened ________ a word.

　　A. not to tell　　　B. not to say　　 C. to tell　　　　　D. to say

21．-Must I get up early tomorrow?

　　　　-No, ________.

　　A. you mustn’t　　　　　　　　　　B. I don’t think you have to

　　C. you can’t　　　　　　　　　　　D. you need

20．Where was David’s drawing at last?

　　A. It was on the wall.

　　B. It was on David’s back.

　　C. It was taken away by his teacher.