题型：听力题 题类：常考题 难易度：困难
新版牛津上海版（深圳用）六年级上学期英语期末测试卷一（含小段音频）
Keep the air clean
The air in Garden City is
The ．from cars and factories makes the air terrible．
·We should ride bicycle ．often．
·We should ．more trees．
Air is important to all of us．It keeps us ．
试题篮
