You_____ all those calculations! We have a computer to do that sort of thing.
#63501
A
needn’t have done
B
must not have done
C
shouldn’t have done
D
can not have done
推荐题目
You____Tom at the party yesterday;he went abroad for a holiday last week.
#63294
A
should have seen
B
might have seen
C
mustn’t have seen
D
couldn’t have seen
We        the difficulty together, but why didn’t you tell me?
#63184
A
need have faced
B
can have faced
C
could have faced
D
must have faced