题目内容

20.( 2013 上海,44 ) Look,so many passengers       with their smart phones on the underground.

   A. played   B. will play   C. are playing   D. have played

20. C

20. C

句意:看,这么多乘客在地铁上玩智能手机。本题考查动词时态。look是现在进行时的标志词,故选C项。

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