I was watching TV suddenly the lights went on. A. when B. while C. as D.——青夏教育精英家教网——

题目内容

11、I was watching TV suddenly the lights went on.

A. when B. while C. as D. for

试题答案

11、A

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I was watching TV suddenly the lights went on.

A. when B. while C. as D. for

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