---Where is Tom?        ---He hasn’t come to school today. I think he        be ill.
#74537
A
has to
B
should
C
may
D
need
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