( )I play computer games now?No,you( )shout do your homework first.括号中应填May,mustn't.为什么?

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()Iplaycomputergamesnow?No,you()shoutdoyourhomeworkfirst.括号中应填May,mustn''t.为什么?()Iplaycomputergamesno

( )I play computer games now?No,you( )shout do your homework first.括号中应填May,mustn't.为什么?
( )I play computer games now?No,you( )shout do your homework first.
括号中应填May,mustn't.为什么?

( )I play computer games now?No,you( )shout do your homework first.括号中应填May,mustn't.为什么?
MAY是请求,征求意见
MUSTN'T是没的商量余地,你必须先做功课

就是这么规定的mustn't是禁止的意思,就这么记就行了

用May是表示请求
must是必须
根据句子语境填写就可以了
如果没有完成作业就去玩,对方一定会说NO,you mustn't