If they had known what was coming next, they __ their mind.
#87344
A
may change
B
could change
C
must have changed
D
might have changed
推荐题目
You _______ an A on your term paper, but you quoted a little bit more from others' papers.
#87474
A
should receive
B
could have received
C
would receive
D
must have received
—What do you think we can do for our aged parents?—You __________ do anything except to be with them and be yourself
#89581
A
don’t have to
B
oughtn’t to
C
mustn’t
D
can’t
——Could you lend me some money?——I’m sorry If I _____a lot of money , I would lend some to you.
#89569
A
have
B
had
C
am to have
D
would have
He _______ the best person you had been expecting for the job, but who else _______?
#87031
A
may not be; could be
B
couldn’t be; might be
C
might not have been; could have been
D
mustn’t be; must have been
一What does the sign over there read?一“No person ______ smoke or carry a lighted cigarette, cigar or pipe in this area.”
#88123
A
shall
B
may
C
will
D
must