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 |
B
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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