listen!Someone is siinging in next room.()it be Mary?NO.It ( )be her .she is at school now
问题描述：
listen!Someone is siinging in next room.()it be Mary?NO.It ( )be her .she is at school now
A.will ,may not B.must mustn't C.can can't D.may mustn't
答
Listen!Someone is singing in next room.() it be Mary?
NO.It ( ) be her.She is at school now.
A.will , may not
B.must mustn't
C.can can't
D.may mustn't
答案：C
译文：听!有人在隔壁唱歌,是玛丽吗?
那不可能是玛丽,她现在在学校呢!
解析：can 表疑问推测
can't 表否定推测