4. Look out! The knife is very sharp. You ______ cut your finger.

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

3. -Listen! Someone is singing in the next room. Who _______ it be? Is it Wei Fang?

-No. It _______ be her. She is at school now.

A. will; may not　　 B. must; mustn’t　　 C. may; can’t　　 D. may; won’t

2. -Is Mr. Hu in the reading room?

-No, he ________ be there. He has gone to Tianjin.

A. mustn’t　　　 B. needn’t　　　 C. won’t　　　 D. can’t

A.单项选择。(10分)

1．Susan’s parents have bought a large house with a swimming pool. It______ be very expensive.

A. must　　　 B. can　　　 C. mustn’t　　 D. can’t

10.Speaking is 　　　　important 　　　　reading in leaning English .

9.People in china 　　　　　　　Fei junlong and Nie haisheng’s successful flight into space .

8.The future 　　　　　　our young people .

7.He 　　　　　　　smoke a lot , but now he doesn’t .

6.I must leave home 　　　　　　　,or I’ll be late for school .

5.I think there is a train at 7:30 .But you’d better 　　　　　　　.