求修改 英语作文语法错误

One day, Marie prepared tosome food to go to picnic with her friends. When they arrived in the forest, they found that the trees were cutwithout a bird. So they were very frustrated and wenthome, but Marie was in the woods. Mariesat on the stump and thought: in the past , here were lots of trees, birds' twitter and fragrance of flowers, but now only the bare stump. Marie had a question why people cut down the trees? No trees, humans would be equivalent to lose the umbrella; no trees, birds would be lost ; without trees, the Earth will lose its colors .Others cut down a tree and I will plant trees. Marie quickly ran back home with a number of trees here, she began to plant trees. She seededand watered every day.It was a snowy year , when it snowed, Marie had these tree umbrellas. Day in and day out, year after year, the tree finally grew up. But one day, Marie came to see the trees, and shewas surprised to find that only a stump……