---Listen!Helenissinginginthenextroom.---It
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. should
【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. should
【回答】
A
知识点:情态动词
题型:选择题