试题 试卷
题型：单选题 题类：常考题 难易度：普通
外研版英语2017-2018学年八年级上册Modules 7—9单元测试（有听力无音频）
—I think David is _______ to do it. But the door is ______for him to go through.
—So we believe ________ there will be less pollution in the future.
—No, I have ________ been there.
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