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 
推荐题目
. Mary _____ be in London because I saw her in town just now.
#88099
A
mustn’t
B
isn’t able to
C
needn’t
D
can’t
 I hope _____ the job she's applied for  .
#89135
A
she's going to get
B
she'll get
C
she is to get
D
she decides to get
You       very fast if you went from New York to Boston in six hours.
#87487
A
should drive
B
must have driven
C
may drive
D
would have driven[