You look tired, you must________.

A. stops to work   B. shop working  C. stop to work    D. stopped working

--Have you heard that some bad thing would happen in 2012?

--Don't worry! The news　　　　　 be true.

　 A. mustn't　　 B. may not　　　　 C. needn't

School students ________ smoke because it is against the school rules.

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

— Is Jim coming by train?

—I’m not sure. He_____ drive his car.

A. must         B. may           C. need

 —Look! The man at the gate ______ be our teacher. He is always standing there every morning.

—No, it _______ be him. He is having a meeting in the office now.

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

— John, you 　　 go out to play until your homework 　　 .　

—OK, Mum.

A. must; finishes　　　 　　　B. can’t; is finished　

C. can’t; has finished D. needn’t; finishes

—Excuse me, whose Japanese book is this?

—It be Tom’s. In our class, only he is studying Japanese.

　 A. must　　　　　　　　　　 B. can’t　　　　　　　　　　 C. would

 _______ you dance? We need some more actors for the talent show.

A. Need     B. Shall    C. Must   D. Can

一Shall I tell Jim the good news?

一No, you________．I’ve told him already．

　 A．wouldn’t　 B．needn’t　 C．shouldn’t 　D．mustn’t

—Can I go to the park, Mum?

—Certainly. But you ______be back by six o’clock.

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