He isn't in the school ,I think he --- be ill .

问题描述:

He isn't in the school ,I think he ___ be ill .
A.need B.shall C.must D.havt to
,为什么?
1个回答 分类:英语 2014-10-25

问题解答:

我来补答
表示肯定推测
He isn't in the school
他不在学校,所以一定是病了
 
 
展开全文阅读
剩余:2000