According to the air traffic rules, you ___ switch off your mobile phone before boarding.
#87048
A
may
B
can
C
would
D
shall
推荐题目
— Hi, Tom．Any idea where Mary is? ．一 She ______in the reading room．I saw her there just now．
#87498
A
shall be
B
should have been
C
should be
D
might have been
If he ___ me his telephone number yesterday, I ___ able to ring him up now.
#87224
A
told, would be
B
had told, would have been
C
had told, would be
D
told, am
—Pity you missed the lecture on nuclear pollution.—I _______ it ,but I was busy preparing for a job interview.
#86747
A
attended
B
had attended
C
would attend
D
would have attended
—Excuse me, but I want to ride your bike to go to the book shop.—You _________ have my bike if you don’t take care of it.
#87083
A
shan’t
B
might not
C
needn’t
D
shouldn’t