could may need must 肯定回答否定回答分别是什么?
题目
could may need must 肯定回答否定回答分别是什么?
答案
Could...do...Yes,...can.No,...can't.May...do...Yes,...may.No,...mustn't/can't/may not.Need...do...Yes,...must.No,...need't.Must...do...Yes,...must.No,...need't/don't have to.
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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