Thanks to the cleaners, the environment_____ in our city recently. [ ]A

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Thanks to the cleaners, the environment_____ in our city recently. [ ]

A. improved
B. improves
C. has improved
D. had improved

答案

举一反三

The fans are very sorry to hear that famous actor_____ for half an hour.     [     ]
A. has left
B. has been away
C. has gone
D. has gone away

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The film_____ for 5 minutes.

A. has begun
B. has on
C. has been on
D. began

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How long has he _____ from the school?[     ]
A. left
B. leaves
C. been away
D. is away

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－Why not go to see the dolphin show with me?
－Because I _____ it.[     ]
A. saw
B. will see
C. see
D. have seen

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I _____ in Guilin for several years.[ ]
A. lives
B. lived
C. has lived
D. have lived

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