情態(tài)動(dòng)詞
    1. I can hear the Browns’ phone bell ring but no one is answering it; they ______ be at home.
    A. can’t
    B. mayn’t
    C. probably not
    D. shouldn’t
    2. Professor Wang ______ be in New York because I met him in town just now.
    A. can’t
    B. might not
    C. may not
    D. may
    3. It is going to rain. You ______take your umbrella with you.
    A. had better to
    B. would rather to
    C. would rather
    D. had better
    4. I would rather ______with you. A. not to go
    B. to not go
    C. to go
    D. not go
    5. They will get well soon. You ______ worry.
    A. can’t
    B. couldn’t
    C. mustn’t
    D. needn’t
    11. -Shall I tell Ann the test result? -No, you ______. She’s already got some report.
    A. wouldn’t
    B. needn’t
    C. mustn’t
    D. shouldn’t
    12. To travel from England to Scotland you ______ a passport.
    A. mustn’t have
    B. haven’t got
    C. don’t need
    D. needn’t
    13. The garden requires_______.
    A. watering
    B. being watered
    C. to water
    D. having watered
    14. -Why isn’t John in class? -He ______be sick. Or he’d have been here already.
    A. should
    B. may
    C. must
    D. would
    15. The streets are all wet. It ______ during the night.
    A. must be raining
    B. must have rain
    C. must have rained
    D. had to rain