(2011·全国卷Ⅰ)They ________have arrived at lunchtime but their flight was delayed.
#86528
A
will
B
can
C
must
D
should
推荐题目
—How dangerous it was!—Yes,but for the passer­by’s quick action,the girl ________.
#86480
A
was drowned
B
could have been drowned
C
had drowned
D
should be drowned
It was very kind of you to do the washing up, but you _______ it.
#89688
A
mustn't have done
B
wouldn't have done
C
mightn't have done
D
didn't have to do 
--- 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