-----Who ______ it be that hasn’t handed it in yesterday? ------It _______ be Bob. He handed it in yesterday.
#63423
A
can; mustn’t
B
must; can
C
can; can’t
D
may; mustn’t
推荐题目
“Not having returned home yet, _________”, his father said to the police.
#63543
A
his mother got worried
B
his mother must be worried
C
I think he is missing
D
he must have got into some trouble.
—Could you please come to the museum with me this afternoon?—Sorry，I ________．I have to take a piano lesson at 2 pm．
#78166
A
couldn’t
B
mustn’t
C
can’t
D
needn’t
When he was there, he ______ go to that coffee shop at the corner after work every day.
#62669
A
would
B
should
C
had better
D
might
—May I swim here? — No, you _______. It is dangerous.
#62690
A
won’t
B
needn’t
C
mustn’t
D
don’t have to