----You didn’t wait for Mr. Smith last night, did you? -----Yes, but we           . He didn’t return home at all.
#87122
A
don’t have to
B
didn’t need to
C
needn’t have
D
should have
推荐题目
I was really anxious about you. You _____ __ home without a word. 
#90288
A
mustn’t leave
B
shouldn’t have left
C
couldn’t have left
D
needn’t leave
 Since the road is wet this morning, _____ last night.
#90138
A
it must rain
B
it must be raining
C
it must have rained
D
it must have been rain