--Can I tell my best friend about it? ---No. I don’t want anyone else to know. You _________ let it out. 
#88317
A
mustn’t
B
won’t
C
don’t have to
D
don’t need to
推荐题目
 I really don't know how to thank you, but for your help, I ________ my lost necklace.
#86411
A
couldn't have found
B
mustn't have found
C
couldn't find
D
wouldn't find
We would have called a taxi yesterday if Harold ________ us a ride home.
#87035
A
didn’t offer
B
wouldn’t offer
C
hasn’t offered
D
hadn’t offered
I’d rather that you ______ the operation right away.
#88337
A
perform
B
should perform
C
will perform
D
performed