问题详情:
—Listen ! Helen is singing in the next room.
It ____ be Helen. She has gone to Beijing.
A. can’t B. mustn’t C. may D. neen`t
【回答】
A
知识点:情态动词
题型:选择题
问题详情:
—Listen ! Helen is singing in the next room.
It ____ be Helen. She has gone to Beijing.
A. can’t B. mustn’t C. may D. neen`t
【回答】
A
知识点:情态动词
题型:选择题