试题 试卷
题型：单选题 题类：常考题 难易度：困难
广东省深圳市2018-2019年度深圳高中联考高二上学期英语期末考试试卷
—Because it ________ too much pollution to the air.
—The trees well, but we didn't water them.
—Indeed! One more step and he ________ off the cliff（悬崖）.
试题篮
