问题详情:
— Must the students leave here at once?
— No, they have to.
A. mustn’t B. can’t C. do not D. needn’t
【回答】
C
知识点:情态动词
题型:选择题
问题详情:
— Must the students leave here at once?
— No, they have to.
A. mustn’t B. can’t C. do not D. needn’t
【回答】
C
知识点:情态动词
题型:选择题