the chinese teacher is standing ----- the back of the classr

问题描述:

the chinese teacher is standing _____ the back of the classroom 填介词
1个回答 分类:英语 2014-12-15

问题解答:

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解析:这里填介词at,at the back of 意为“在……后面”与in the front of 相对应,at the back of the classroom 指在室内的后面.
 
 
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