介词填空3:He always comes -----my room without knocking----- the

问题描述:

介词填空3:He always comes _____my room without knocking_____ the door first.
1个回答 分类:英语 2014-10-10

问题解答:

我来补答
1).into2)at.knock at固定搭配,“敲门”.
 
 
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