试题 试卷
题型：单选题 题类：常考题 难易度：普通
牛津深圳版八年级上册Unit 1 Encyclopaedias 单元测试
—— Perhaps I will take part in the sports meeting.
—You're right. We can't be ________ careful while crossing the street.
—Yes, but with the police's help, for it has changed over these years.
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