(    )18. —Look at the beautiful flowers    on the desk. The owner can’t be a boy.

—Well,_.    The    flowers    might    be a present for his girlfriend.

A. it can’t be a boy    B.    I agree

C. I suppose so    D.    it could be    a boy

(    )17. —Why do you think the man is    running?

—He could be_for    exercise.

A. run    B.    runs    C. running    D.    ran

(    )16. —_bag    is it?

—It’s mine.

A. Who    B.    Whose    C. Who’s    D.    What

(    )15. —Shall we stop and have_water now?

—Good idea!

A. any    B.    some    C. little    D. a bit

(    )14. —Must I return the dictionary this afternoon?

—No,you_•    But you_return it before    next Monday.

A. mustn’t; can    B. can’t; need    C. needn’t; must    D. mustn’t; may

(    )13 . —Amy, you may go skating after you_your    homework.

—All right. Thank you,Mom.

A. have finished    B. will finish    C. are finishing    D. finish

(    )12. —Did you_what I said?

--Sorry，I didn’t hear anything just    now.

A. hear    B.    listen to    C.    hear from    D.    hear    of

(    )11.    What’s    happening?    So many people are crowding there.

It_be    a    traffic    accident.

A. can    B.    might    C.    would    D.    need

9. for a special    purpose_ 10. a long period    of time_

7. in the sky_ 8. prevent illness_