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题型：单选题 题类：常考题 难易度：容易
浙江省人教版初中英语七年级上册Unit 8第4课时Section B 2a~2c同步练习
—Sorry, I _________ know.
— The bus? If you , you will be late.
— No, I don't. It's too difficult.
— I don't know.
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