试题 试卷
题型：单选题 题类：常考题 难易度：容易
牛津版（深圳·广州）八年级上册Unit 5 Educational exchanges 单元练习
—Thank you, Lucy. But we ______ already .
—He Beijing on business for a few days.
—________. I hope to visit it one day.
—Sorry to hear that. But our government _______ much about the school bus safety management.
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