We must stop at a red light 写出问句
问题描述:
We must stop at a red light 写出问句
答
What should we do at a red light?
We must stop at a red light.
答
When do we need stop?这是对 at a red light 提问
What should we do at a red light?这是对 stop提问
我是老师,有问题可以交流~