初中英语情态动词的被动语态单选题

—Must I go with you?
—No, you ________.

A．needn’t

B．shouldn’t

C．mustn’t

D．can’t

---Whose is the pencil box?
---It ____________ be Tom’s. Look at his name on the cover!

A．can

B．may

C．must

D．need

That man ______ be my English teacher. He has gone to Canada.
A. needn’t              B. mustn’t              C. can’t

Thanks for your help, John . We         have finished our work so
early             your help.

A．can’t without	B．couldn’t without
C．wouldn’t under	D．could by