问题
选择题
Today is Wednesday. He _______be at home. He _______be at school.
A.can't; can
B.can't; must
C.mustn't; must
D.mustn't; can
答案
答案:B
题目分析:句意:今天是星期三。他不可能在家。他一定在学校。在肯定句中表示推测可以用must,在否定句中表示推测可以用can’t。
Today is Wednesday. He _______be at home. He _______be at school.
A.can't; can
B.can't; must
C.mustn't; must
D.mustn't; can
答案:B
题目分析:句意:今天是星期三。他不可能在家。他一定在学校。在肯定句中表示推测可以用must,在否定句中表示推测可以用can’t。