----          you do me a favor? -----Sure. With pleasure.
#87743
A
Must
B
Need
C
Should
D
Could
推荐题目
She________the opportunity,but unfortunately she just let it go.
#86619
A
should have taken
B
must have taken
C
needn't have taken
D
can't have taken
 Michael ______ be a policeman, for he is much too short.
#89354
A
needn’t
B
can’t
C
should
D
may
There ia no light in the room. They ___ asleep.
#88909
A
should have gone to
B
must be
C
could go
D
might be going