-- Can I tell Peter about the news?-- No, I don’t want anyone else to know it. You ________ keep it to yourself. 
#78287
A
must
B
need
C
can
D
may
推荐题目
The funny story makes  us ________ a lot.
#77001
A
laughing
B
to laugh
C
laughed
D
laugh
—I’m sorry. I ________ at you the other day.— Forget it. I was a bit out of control myself. 
#63421
A
shouldn’t shout
B
shouldn’t have shouted
C
mustn’t shout
D
mustn’t haven’t shouted
----Must I hand in our homework today?--- No, you ______.
#75787
A
mustn’t
B
needn’t
C
can’t
D
shouldn’t