题目内容

When the teacher came in, he saw some boys _______ behind Daniel, _______ the computer games.

   A. sit, watching      B. sitting, watching     C. sit, to watch    D. sitting, watched

 

【答案】

B

【解析】第一空考查的是see sb doing sth，表示看见某人正在做某事，后一空为动词的现在分词作时间状语，故选答案为B

 

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