1.
阅读判断。
When we walk on the road in China, we must be careful. We must obey the traffic rules:
① Drive, ride or walk on the right side of the road.
②When the light is red, we must stop.
③ When the light is yellow, we must wait.
④When the light is green, we can cross.
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（1）
We must obey the traffic rules when we walk on the road.
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（2）
I walk with my mum, so I needn't obey the traffic rules.
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（3）
We must walk on the left side of the road in China.
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（4）
When the light is yellow, we can cross.
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（5）
When the light is red, we can't cross.
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