【正文】
小學(xué)六年級英語作文400字 【篇一】小學(xué)六年級英語作文400字 Our environment is very important for our lives . We need the fresh air, the clean water and so on . In the past, there were many trees around us ,the air was fresh and the river was now,people cut down many trees. Air pollution and water pollution are very serious . The environment around us bees very terrible . We should protect our environment. First, we should plant many trees to keep water. Second , we can ride a bike or walk to the school and , we shouldn’t throw the dirty water into the river .