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    So far nobody has claimed the money in the library. A. discovered B. to be discovered C. discovering D. having discovered Key: 1-5 CAAAA 6-10 BCDAA 11-16 BACBBA 【查看更多】

     

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    Selecting a mobile phone for personal use is no easy task because technology ____ so rapidly.

    A.will change                          B.has changed

    C.will have changed                     D.is changing　

     

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    Mary is the only one of the students in our class who ____ to the Great Wall so far.

       A. is                      B. has been          C. are                         D. had been

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    He______to several European counties so far.

    A. was   B. has been   C. had been   D. will be

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    Mary is the only one of the students in our class who ____ to the Great Wall so far.

       A. is                      B. has been          C. are                         D. had been

     

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    She ____ a new novel last August, but I wonder whether she has finished it so far.
    [     ]
    A. wrote
    B. has written
    C. was writing
    D. had written

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