Does she _______ finish reading the book today? A. must B. can C. have to D. need

分类: 作业答案 • 2021-12-28 11:00:56

问题描述：

Does she _______ finish reading the book today? A. must B. can C. have to D. need
答案是 C ,为什么不是A不理解

答

答案：C
前面有助动词does,所以后面不能出现情态动词must,can之类的,所以正确答案是C.have to 我们学的时候不是也说是情态动词吗但是have to 很特殊，有多种形式，前面可以加助动词构成疑问式或者否定式。