——Mr Smith looks rather a kind man.  ——But in fact he is cold and hard on us. You ____ believe it!
#62153
A
shouldn't
B
wouldn't
C
mustn't
D
needn't
推荐题目
What way can you think of ______ the mice in the room?
#78055
A
how to kill
B
to kill
C
killing
D
killed
--- Can we leave the classroom now?-- No, you ______. You ______ to leave until the bell rings.
#75539
A
mustn’t, are allowed
B
don’t have to, are supposed
C
needn’t, aren’t allowed
D
can’t, aren’t supposed