一）单项选择：

1．    You _________show your ticket unless the conductor asks for it.

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

2．    Let’s go and have a look at the posters there, _________?

A. will you           B. shall  you        C. will we            D. shall we

3．    Let me have a look at the photos you took, __________?

A. will you           B. shall  you        C. will we            D. shall we

4．    That boy ________ be a native English speaker, he speaks English with a strong Indian accent.

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

5．    The new stadium _________ hold more than 10,000 people.

A. is able to        B. can                 C. could              D. was able to

6．    --Must I finish all the work before Sunday?

--No, you ______.

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

7．    How _______ be so mean to me?