- 6Blivecutbedosave1.Wemust_____th
- live cut be do save
1.We must_____the Earth.
2.I_____ in Shanghai for more than 20 years.
3.There______air and water on the Earth.
4.The people ______down the forests. They must stop______this.
- 1.We must___save__the Earth.
2.I___live__ in Shanghai for more than 20 years.
3.There___are___air and water on the Earth.
4.Those people __are_cutting___down the forests. They must stop___doing___this.