on time is good manners. [ ]A. Be

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        on time is good manners.
            [     ]
A. Be
B. Is
C. Are
D. Being

答案

举一反三

It"s rude to make noise while            _ milk.[     ]
A. to have
B. having
C. eat
D. eating

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She spent most of her life             those poor children.              [     ]
A. help
B. helping
C. helped
D. to help

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I"m very sorry to keep you _          so long. I have something important to do.           [     ]
A. wait
B. waiting
C. waiting for
D. waited

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用所给单词的适当形式填空。   1. The art of            (taste) tea is more important than the art of drinking tea.
2. My friend Tom pretended           (like) the gift.
3. She used to             (wear) a red coat.
4. Would you mind             (pass) the book to me?
5. He prefers             (give) to receiving.

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He spends about two hours             soccer every day.             [     ]
A. play
B. playing
C. to play
D. played

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