==================资料简介======================
Let’s check:
Unit 2 Ways to go to school
B Let’s check
Traffic rules, traffic rules.
Remember the traffic rules.
Slow down and stop at a yellow light.
Stop and wait at a red light.
Go at a green light.
We know the traffic rules.
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压缩包内容：
Let’s check
answer.mp3
chant伴奏.mp3
Let’s check.ppt
number.mp3
Story time.swf
