I am very happy. My teachers are friendly.
We went to look around the town.
They made paper flowers.
April 22nd is World Earth Day.
Don't leave the water running when brushing your teeth.
A. are B. away C. when D.to E. Don't
This is the earth. The green part is land. The blue part is sea. The white part is clouds. Our earth is very beautiful and interesting. Many years ago, the earth is very clean. But nowadays there is much pollution on the earth. People are polluting the land, the water and the air. People must stop doing that. We must protect the earth.
材料:每天步行上学,离开教室时,关灯、关电扇;节约、循环用水,充分利用纸张,不使用塑料袋 ……
要求:1)条理清楚,意思连贯,语句通顺,标点正确。2)不少于60个单词。