| A．should; should | B．should; shouldn’t | C．shouldn’t; shouldn’t |
Water is very important to people. We must drink water every day. We can’t live without water. Water is everywhere around us. At home, we use water to wash clothes, to wash dishes, cook meals and so on.
At work, people use water to put out fires, to grow vegetables, to make things in factories and so on. We can also swim in the water.
However, there isn’t much water on the earth. We must save it.
1．Water is not important to people.| A．will | B．is | C．going |
( )| A．We should keep the rivers clean. | B．We shouldn’t litter. | C．We shouldn’t kill wild animals. |
| A. keep B. shouldn’t C. instead of D. need E. save |
This is the earth (地球). The green part is land. The blue part is sea. The white part is clouds. Our earth is very beautiful and interesting.
There are rivers, seas and lakes. There are hills and mountains. There are many countries and cities. There are many people living in them. Do you think the earth is very wonderful?
But people are cutting down the trees. Many wild animals, bird sand insects lose their homes. It’s very cruel (残忍). People are polluting (污染) the land, the water and the air.
People should stop doing this. We should save the earth. We should save our home.
1．Our earth is very pretty.
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