人教精通版（五下）Unit 3 Lesson 17 听力动画

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Lesson 17

Just talk 一起说说

Look out! You mustn't cross the street now.

小心！你现在不能过马路。

You must wait for the green light.

你必须等到绿灯。

You mustn't spit on the ground.

你不能吐到地上。

You mustn't litter. 你不能扔垃圾。

You must keep off the grass. 你必须远离草坪。

You mustn't pick the flowers. 你不能摘花。

You must take good care of young children.

你必须保护小孩子。