You _______ cross the road when the traffic lights are red.
#74937
A
can
B
must
C
mustn’t
D
needn’t
推荐题目
—May I use your computer, Mr WU?   —______.
#74621
A
Yes, you may not
B
No, you may
C
Yes I may
D
No, you may not
— Will you stay for lunch?— Sorry, I ______. My brother is coming to see me.
#77480
A
needn’t
B
can’t
C
shouldn’t
D
mustn’ t