问题
选择题
If the traffic light is red, you _____ cross the road. It's dangerous. [ ]
A. don't
B. needn't
C. mustn't
D. wouldn't
答案
答案：C
搜题请搜索小程序“爱下问搜题”
If the traffic light is red, you _____ cross the road. It's dangerous. [ ]
A. don't
B. needn't
C. mustn't
D. wouldn't
答案：C