The ------ of machine made us feel sick.A.voice B.noise C.so

问题描述:

The ______ of machine made us feel sick.A.voice B.noise C.sound D.noises
1个回答 分类:英语 2014-12-11

问题解答:

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B.a是人的声音,b是噪音,c是所有的声,d是噪音复数.
 
 
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