题目内容
Michael was watching TV_____ his father came in.
A. when B. while C. as soon as
A. when B. while C. as soon as
A
试题分析:A. when 当…时候 B. while当…时候 C. as soon as一…就;句意:迈克尔正在看电视时,他的爸爸进来了。came这个动词是个瞬间动词,只能与when连用,故需A
点评:when 既可以与延续性动词连用,也可以与瞬间动词连用,而while只能与延续性的动词连用,强调两者同时进行,多用进行时态的形式。

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