题目内容
He ________ be in the garden. He must be in the room.
A. can't
B. mustn't
C. should
D. may not
答案:A
练习册系列答案
相关题目
题目内容
He ________ be in the garden. He must be in the room.
A. can't
B. mustn't
C. should
D. may not