When traffic lights are red ,cars__ stop and wait .A may B can C must D might选择
问题描述:
When traffic lights are red ,cars__ stop and wait .A may B can C must D might
选择
答
c,必须
答
C
答
选C
答
C must
答
当红灯时,车 停下并且等待 A可以 B能 C必须 D允许(没有must语气强)
选 C must
答
c
必须 ,命令,语气最强!