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As he was eating his breakfast,he heard someone konck at the

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As he was eating his breakfast,he heard someone konck at the door.as不是表示紧接着的动作的吗?那这里怎么用正在吃早饭?那不是应该用while吗?谢谢


1楼2013-07-30 10:38回复
    as前必须接短暂性动词,while后必须接延续性动词。所以as和while有一个相同的用法,前短暂性动词,后延续性动词


    IP属地:江苏来自Android客户端2楼2013-07-30 10:44
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      as也可以和延续性动词连用,都是正确的。


      IP属地:广东来自Android客户端3楼2013-07-30 10:46
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