You ________ take a raincoat with you.

1. A.
   mustn't
2. B.
   don't need
3. C.
   needn't
4. D.
   needn't to

You need to wear glasses when you read, ________you?

1. A.
   needn't
2. B.
   mustn't
3. C.
   can't
4. D.
   don't

You ____ swim here. It is said that sharks (鲨鱼) have been seen.

1. A.
   can
2. B.
   may
3. C.
   mustn’t
4. D.
   needn’t

You have already tried your best, so you _____worry too much about the exams.

You ______ be hungry already—you had lunch only two hours ago!