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题型：填空题 题类：常考题 难易度：容易
仁爱科普版初中英语九年级上册Unit 1 Topic 2 The population in developing countries is growing faster. Section B同步练习
— There are about four .
—I want two {#blank#}1{#/blank#}(dozens/ dozen) apples.
—There are ____________. I live on the _____________floor.
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