常见情态动词的用法小练（上）
( ) 1. John _________ come to see us tonight, but he isn’t very sure yet.
A. may B. can C. has to D. must
( ) 2. —May I take this book out?
—No, you _________.
A. can’t B. may not C. needn’t D. aren’t
( ) 3. You _________ go and see a doctor at once because you're got a fever.
A. can B. must C. dare D. would
( ) 4. —Can you speak Japanese?
—No, I _________.
A. mustn’t B. can’t C. needn’t D. may not
( ) 5. —He _________ be in the classroom, I think.
—No, he _________ be in the classroom. I saw him go home a minute ago.
A. can; may not B. must; may not C. may; can’t D. may; mustn’t
