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- 3形容期待的成语
- 4There______a pen and some pencils in my pencil-box.A.is B.are C.be详细理由
- 5实验小学原来男、女生人数的比是7:5,后来又转来12名女生,这时男女生人数的比是9:7,学校现有女生多少人?
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