试题 试卷
题型：单选题 题类：常考题 难易度：容易
仁爱科普版初中英语九年级上册Unit1 Topic 2 The population in developing countries is growing faster. Section A同步练习
— Yes, it's more and more beautiful.
—I guess Mast did this. He's such a nice boy.
—Because I ______ it before.
—Yes, but the computer in our office __________down.
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