he () tired now after working for ten hours have to need mus

问题描述:

he () tired now after working for ten hours have to need must would
1个回答 分类:英语 2014-10-01

问题解答:

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选must.表示他在连续工作10个小时后肯定很累了(是一种肯定的推测).
 
 
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