B.Speak up
In pair, talk about what we can do to protect the Earth.
Follow the example.
What can we do to protect the Earth?
We must stop polluting the air.
Are there any other things we can do?
We can take our shopping bags to the supermarket.
Unit 3 Speaking听力文本和录音
更新:2018年10月7日来源:沪教牛津版（广州深圳）英语 整理:给力英语网