----- Where is Jack?.

-----He______ be in the reading room .I saw him just now.

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

用括号内动词的适当形式填空

1.One of the boys        (be)born in 1990.

2.Mr Wang       (enter)a competition before.

3.      you ever        (write) to your friend in English?

4.My brother     (not visit)the Great Wall last year.

5.Tom      (not go) to the zoo,will he?

6.I        just (finish) my homework.

7.The boy      (stay) at home last night.

8.The man       (be) 40 years old now.He      (be)in Tianjin for 20 years.

9.—Sally      (visit) China?—No,hasn’t.

10.Lingling wants       (go) to the USA.

—Is Mr. Green in the office?

—No, he ________ be in the office. Look, the light in the office is off.

A. mustn’t        B. can’t    C. needn’t        D. may not

— Where’s David?

— He ______ be in the playground because he is fond of playing basketball.

A. will             B. may              C. can’t            D. mustn’t