Why should people plant trees?的回答

Why should people plant trees?的回答 why should we plant more trees? Why should we plant more trees 回答,用英语啊,我初三啊,谢谢哈 Why do people plant trees every year?——(keep) our air clean 改错误】1.She look young.2.Why are the people plant trees?3.Are 主动句变被动句1.People should plant more trees every year2.Children Why should we protect trees people often plant trees in winter How did you plant trees?怎么回答? Can you plant trees?(作否定回答) Dig you plant trees before 怎么回答? everyone should care foy wild animals and plant more trees 的