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
(2013·北京高考)If we ________ a table earlier, we wouldn't be standing here in a queue.
#86582
A
have booked
B
booked
C
book
D
had booked
What would have happened＿＿＿＿, as far as the river bank?
#89939
A
if Bob has walked farther
B
if Bob should walk farther
C
had Bob walked farther
D
if Bob walked farther
Despite the fact that his scores were good, they were hardly as excellent as a student with his intelligence .
#87718
A
achieved
B
had achieved
C
would achieve
D
should have achieved
— No wonder you caught a cold. You _____ out last night without a coat. — I know how silly I was.
#87891
A
shouldn’t have gone
B
mustn’t have gone
C
couldn’t have gone
D
mightn’t have gone
—Why didn’t you put your cellphone in your overcoat pocket?—I , but I was afraid it would be stolen.
#88999
A
had put
B
put
C
would have
D
could have