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33.Nowadays with the development of Our society,more and more hi-tech products

          to our life.

A.have been introduced              B.have introduced

   C.are introducing                   D.are introduced

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32.The teacher       that his students have difficulty in English grammar,

   decided to give them some further drining.

     A.knowing         B.know           C.toknow      D.beingknown

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31.Youarelate.If you     afewminutes earlier,you       him.

   A.came;would meet        B.had come;would have met

   C.come;will meet           D.had come;would met

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30.ItWasthroughhis hardwork       he achieved his goal.

   A.as             B.when           C.since        D.that

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29.-Could you meet me at the station?

     -I’d liketo,but I      Shanghai when you return.

A.will visit            B.anl going to visit

C.will be visiting         D.would visit

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28.-How amazing it is that astronauts are exploring outer space!

   -It’s a challenge,I guess,    man against nature.

   A.of             B.on          C.by              D.about

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27.He is the only one of the employees who       sent abroad for further training

  forfiveyears.

     A.is              B.are         C.havebeen         D.hasbeen

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26.-I dropped in at your house at about eight yesterday evening.but you weren’t in.

   -I        regular exercises at the club.

   A.did             B.haddone      C.wasdoing         D.havedone

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25. Those are model teachers, most of       are young women.

   A. that       B. who       C. whom          D. whose

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24.      more time. we could have done the job better,

    A. Given                B. To give    

C. Giving                D. Having given

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