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We should protect it.
All students should know this.
2) How do they do?
Try to find the order.
( ) Let me draw some bananas on the trees.
( ) Let me draw a rubbish bin.
( ) Let me draw the Earth with trees and flowers on it.
( ) Put the poster at the school gate.
2
3
1
4
Let...do... 让...做...
Let us make a fruit salad. 让我们做一个水果沙拉吧。
Let him come in. 让他进来。
Let me …
We should …
We should not …
Earth Day is on 22nd April.
World Environment Day is on 5th June.
World Food Day is on 16th October.
世界粮食日
World No-Smoking Day is on 31st May.
World Animal Day is on 4th October.
世界动物日
Tree Planting Day (Arbor Day) is on 12th March.
植树节
World Wetlands Day is on 2nd February.
世界湿地日
World Water Day is on 22nd March.