Is your brother playing computer games,Ted?--He m---- do tha

问题描述:

Is your brother playing computer games,Ted?--He m____ do that,because the computer doesn't work.
1个回答 分类:英语 2014-11-05

问题解答:

我来补答
mustn't
再问: 为什么?
再答: 对情况否定推测
再问: mustn't 是甚么意思
再答: 一定不是
 
 
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