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17. There must_(be)something wrong with my    bike.

16. This hard p_made    him    know    the    importance    of    health.

15. After three hour’s hard work,we_(final)finish    it.

14. Our teacher was so_(happy)that she went away without saying a word.

(    )13.    —Tom isn’t good at math,so he feels_the    night    before a math test.

—I hope he can be relaxed and make progress.

A. relaxed    B.    happy    C. delighted    D.    worried

(    )12. 一Tom could be running_a bus.

—He must get up late，or he doesn’t need to hurry.

A. catch    B.    to catch    C. catching    D.    catches

(    )11.    —I heard that three monkeys escaped_the    zoo.

—The keeper was so careless.

A. from    B.    of    C. in    D.    at

(    )10.    一David,is that your head teacher?

—It_be    him.    He is the tallest in our school.

A. mustn’t    B.    can’t    C. needn’t    D.    won’t

（    )9.    一His brother is used to telling lies. He is a_boy.

—It will bring much trouble to him if he always does so.

A. kind    B.    honest    C. terribly    D.    dishonest

7. no more mystery_ 8. wait for the    bus_