---Can I tell Peter about the news?---No, I don’t want anyone else to know it. You ______ keep it to yourself.
#76200
A
must
B
need
C
can
D
may
推荐题目
 My sister met him at the street yesterday afternoon, so he __________ your lecture.
#63076
A
shouldn’t have attended
B
needn’t have attended
C
mustn’t have attended
D
couldn’t have attended
I ___________ through that bitter period without your generous help.
#63240
A
couldn’t have gone
B
didn’t go
C
couldn’t go
D
hadn’t gone
—Must I water the flowers now?  —No, you ________ . You __________ do it later.
#74201
A
mustn’t, must
B
mustn’t, may
C
needn’t, may
D
needn’t, must