—May I tell this to my close friend?—No, you      . Never let anybody else know about it.
#87976
A
needn’t
B
shouldn’t
C
mustn’t
D
can’t
推荐题目
Should it rain, the crops _____ . 
#87153
A
would be saved
B
would have been saved
C
will be saved
D
had been saved
—My cat’s really fat.—You _______ have given her so much food.
#89080
A
wouldn’t
B
couldn’t
C
shouldn’t
D
mustn’t