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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