She came into the room while they ______ television.A、have watchedB、have been w

游客2025-07-04 29

问题 She came into the room while they ______ television.

选项 A、have watched
B、have been watching
C、were watching

答案 C

解析本句意为“当她走进房间的时候，他们正在看电视”。主句是过去时，从句也必须为过去时，A、B两项分别为现在完成时和现在完成进行时，不符题意。

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Shecameintotheroomwhilethey______television.A、havewatchedB、havebeenw