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