--- I don’t mind telling you what I know.--- You_________. I’m not asking you for it. 
#62796
A
mustn’t
B
may not
C
can’t
D
needn’t
推荐题目
 I ____ have been there, but I ____ not find the time.
#62724
A
could; must
B
must; could
C
should; could
D
should; would
— _______ we clean the classroom at once?  — No, you _______. You _______ clean it after school. 
#78132
A
Must; needn’t; may
B
Must; mustn’t; can.
C
Shall; can’t; must
D
Need; mustn’t; may