--- Can you ride a horse?
--- No, I ______.
A. needn’t B. may not C. can’t D. mustn’t
－Must we leave now?
－No, we ________. We still have two more hours.
A. can’t B. mustn’t C. needn’t D. shouldn’t
—Bob，shall we go and meet our new classmate?
—Sorry．I'm busy now．But you_________ ask David to go with you．He is free．
A. need B. may C. would D. must
–Mr. Wang, can I finish my homework tomorrow? --Sorry, you ________.
A. can’t B. don’t C. needn’t D. won’t
A: Can I wear any clothes I like to school?
B: No, you can’t. You wear a uniform(校服).
A. might B. will C. must D. would
According to the new traffic laws, people ______ drive after drinking wine or beer.
A.wouldn’t B. couldn’t C. needn’t D. mustn’t
