—A number of children ______ standing outside the office when I got there.—The n

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—A number of children ______ standing outside the office when I got there.
—The number of the children______ 16.          [     ]
A. is; are
B. is; is
C. are; is
D. are; are

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举一反三

We usually have six lessons a day, and each of them ____ 40 minutes.[     ]
A. last
B. lasts
C. have
D. need

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Either you or I ______ from Canada. We are from Australia.     [     ]
A. is
B. are
C. am
D. be

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—What did she______ you to do the day before yesterday?
—She ______ me to bring her watch here.     [     ]
A. ask, ask
B. asked, asked
C. ask, asked
D. asked, ask

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—How much ______ the shoes?
—Five dollars ______ enough.[     ]
A. is; is
B. are; is
C. are; are
D. is; arc

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—There _____ little fresh water _____.
—Don"t worry. We"ll soon get out of the desert.[     ]
A. has; drinking
B. are; to drink
C. is; to drink
D. are; drinking

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