They        have arrived at lunchtime, but their flight was delayed.
#87467
A
will
B
can
C
must
D
should
推荐题目
--Is Jack still in hospital? --Yes. He _________ the bad food. 
#86502
A
wouldn’t eat
B
shouldn’t eat
C
wouldn’t have eaten
D
shouldn’t have eaten
All our teachers demand that we ___________.
#87507
A
worked hard
B
work hard
C
will work out
D
should be worked hard