We      the postcards yesterday, but it didn’t arrive.
#87363
A
should receive
B
ought to receive
C
ought to have received
D
must have received
推荐题目
 The door______. Better have it repaired .
#89515
A
isn’t shut
B
hasn’t been shut
C
won’t be shut
D
won’t shut
Mr. Smith insisted that his book _______within three days.
#86766
A
returned
B
would be returned
C
should return
D
be returned
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