.—What’s the matter with the man hanging his head there? —Well, if you _______ know, he was caught stealing my bike.
#88321
A
must
B
may
C
can
D
shall
推荐题目
I know it’s normal for such a thing to happen, but we _____ it if we’d been more careful.
#86837
A
need have avoided
B
could have avoided
C
will have avoided
D
had avoided
The headmaster suggested that a good preparation ________ ahead of time.
#87902
A
must be made
B
should be made
C
will be made
D
can be made
—Hi, Tom . Any idea where Jane is?—She _____in the classroom . I saw her there just now.
#90418
A
shall be
B
should have been
C
must be
D
might have been