Since two months ago, many waste bottles_____ by the student in Class One. [

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Since two months ago, many waste bottles_____ by the student in Class One. [     ]
A. collected
B. have collected
C. were collected
D. have been collected

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举一反三

In the past three years they _       nothing.           [     ]
A. do
B. did
C. had done
D. have done

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I _____ a dictionary.  I _____ it in the bookshop near our school.   [     ]
A. have bought, bought
B. have bought, have bought
C. bought, have bought
D. bought, bought

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用括号内所给词的适当形式填空。1. My teapot is empty.  Who_________(drink) all my tea?
2. Mr Green                   _________(live) in China since five years ago.
3. —Where is Mr Green?
    —He               ________(go) to London.
    —When ________he _________(go) there?
    —Last Sunday.
4. I won"t go to the movie tonight.  I                                  _ (see) the movie already.
5. How many times __________you ever          _        (travel) abroad?

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Our English teacher has__________Australia for a week.           [     ]
A. gone to
B. been to
C. been in
D. arrived

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I            to the new museum yet,  but I hope to go there this weekend.           [     ]
A. have becn
B. haven"t been
C. haven"t gone
D. have gone

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