试题 试卷
题型：单选题 题类：常考题 难易度：普通
吉林省长春市外国语学校2016-2017学年八年级下学期英语期末考试试卷
— Yes. They harmful gases and clean the air.
—First of all， you should pay attention to _______ more.
—Nobody. I taught____.
试题篮
