The man over there _________ be over fifty. He looks so young.
#74552
A
mustn’t
B
must
C
can’t
D
can
推荐题目
As a student, you must ______ your teachers.
#63571
A
show respect for
B
have respect to
C
show respects for
D
have respects to
— Will you stay for lunch?— Sorry, I ______. My brother is coming to see me.
#77480
A
needn’t
B
can’t
C
shouldn’t
D
mustn’ t
.--Your parents were anxious about you. You _____ home without saying a word. -- It’s my fault.
#63643
A
mustn’t be
B
shouldn’t have left
C
needn’t have left
D
couldn’t have left