—How should we teenagers be ________ when crossing the road? —We mustn't run the red traffic lights....
2022-09-20 02:02:09 219次 冀教版英语九年级全册Unit 3 Safety Lesson 16 How Safe Is Your Home课时练习 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
—How should we teenagers be ________ when crossing the road?
—We mustn't run the red traffic lights.
A.serious B.careful
C.pleased D.popular
本题链接：
