— I don’t mind telling you what I know. — You _____. I’m not asking you for it. 
#89260
A
mustn’t
B
may not
C
can’t
D
needn’t
推荐题目
The pilot kept calm in the terrible storm, otherwise the accident ______.
#90178
A
couldn’t be prevented
B
mustn’t have prevented
C
wouldn’t have been prevented
D
shouldn’t prevent
 We      the postcards yesterday, but it didn’t arrive.
#87363
A
should receive
B
ought to receive
C
ought to have received
D
must have received