Students ______ remain in their seats until all the exam papers have been collected.
#87735
A
must
B
shall
C
may
D
can
推荐题目
--- I’m sorry．I ___________ at you the other day． --- Forget it．I was a bit out of control myself．
#87832
A
shouldn’t shout
B
shouldn’t have shouted
C
mustn’t shout
D
mustn’t have shouted
After hours of repair,the driver tried to start the car but it _______ work.
#89801
A
won.t
B
shouldn’t
C
wouldn.t
D
couldn’t
Though the ship sunk, all the people on her____ be resuced.
#88157
A
could
B
should
C
had to
D
were able to
With all his money, he _________ worry about a little thing like 5 cents!
#86952
A
can
B
must
C
may
D
should