(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
  You didn ’ t let me drive. If we _____ in turn, you ______ so tired.
#89145
A
has left; comes  
B
drove; wouldn’t have got
C
were driving; wouldn’t get
D
had driven; wouldn’t have got
If it hadn’t rained so hard last night,it_______ so  cold today.
#86461
A
would’t be
B
hadn’t been
C
weren’t
D
wouldn’t have been