If the tarffic light is red ,you ___ cross the road.It’svery dangerousA.don'tB.mustn'tC.needn’tD.wouldn't

分类: 作业答案 • 2022-02-16 18:30:16

问题描述：

If the tarffic light is red ,you ___ cross the road.It’svery dangerous
A.don't
B.mustn't
C.needn’t
D.wouldn't

答

B,意思是“禁止”