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        1. With the help of the smart phones, you ____ video chat with your friends on the phone.
          A.canB.must
          C.needD.should
          A

          試題分析:句意:在智能手機的幫助下,你可以在電話上和你的朋友視頻聊天。A. can能夠,可以;           B. must必須; C. need需要; D. should應該,根據(jù)句意此題選A。
          考點:考查情態(tài)動詞的用法
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