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英语
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I have lost the library's book,and I must pay for it .为什么must和pay for 之间不加TO呢?
俩个动词在一起了..
人气:162 ℃ 时间:2020-03-26 01:01:59
解答
因为must是情态动词,
情态动词后面直接跟动词原形
其他情态动词还有can,may,have to
可以对照课本上的句子体会一下
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