25. – Tom, it's too late. Our son ________ be back.– Don't be anxious. I dare say he ________ have some extra work to do.
#88895
A
can; must
B
will; might
C
should; must
D
must; may
推荐题目
----I failed again. I wish I _________ harder.---But you _________.
#86994
A
had worked; hadn’t
B
worked; didn’t
C
worked; don’t
D
had worked; didn’t
He ____ have finished his work; Otherwise, he would．not be enjoying himself by the seaside．
#87877
A
should
B
must
C
couldn’t
D
can’t
If you ___require any further information, please do not hesitate to contact us.
#87714
A
should
B
would
C
could
D
might
When a pencil is partly in water, it looks as if it___________.
#87003
A
breaks
B
has broken
C
were broken
D
had been broken
－How much shall I pay for the phone call?－You __________. This is free of charge.
#89479
A
shouldn’t
B
can’t
C
needn’t
D
mustn’t