__ It is so late. Our son __________ be back . __ Don’t  worry . I dare say he ________ have some extra work to do.
#88334
A
can ; must
B
will ; might
C
should ; must
D
must ; may
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
He warned me of what I otherwise __________ about the accident.
#86838
A
ignored
B
had ignored
C
would ignore
D
would have ignored
The president desires that you _________ him next week.
#86989
A
visit
B
will visit
C
to visit
D
visiting