题目内容
【题目】Which is not right? ( )
A. Stop and wait at a red light.
B. Go at a yellow light.
C. Go at a green light.
【答案】B
【解析】
略
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题目内容
【题目】Which is not right? ( )
A. Stop and wait at a red light.
B. Go at a yellow light.
C. Go at a green light.
【答案】B
【解析】
略