.--I sent him a most interesting story book  by mail this morning. --You____so; he's coming tomorrow morning.
#86514
A
needn't do
B
needn't have done
C
don't need to do
D
didn't need do
推荐题目
— Do you still remember when we went to Chongqing? —I can’t remember now but ______ sometime last summer?
#90411
A
could it be
B
might it be
C
could it have been
D
might it have been
Tom , you_______ leave all your clothes on the floor like this !
#90440
A
wouldn’t
B
mustn’t
C
needn’t
D
may not
Why didn't you tell me there was no meeting today? I______ all the way here through the heavy snow. 
#89455
A
needn't have driven
B
can't have driven
C
mustn't have driven
D
shouldn't have driven