Tommy mist go to the libruary.（改为一般疑问句）
问题描述：
Tommy mist go to the libruary.（改为一般疑问句）
答
Must Tommy go to the library?
回答的话用
Yes,he must.
No,he needn't.or No,he don't have to
情态动词must引导的一般疑问句,回答是和普通的不同