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题型：单选题 题类：常考题 难易度：普通
新目标英语九年级（全）Unit 13 We’re trying to save the earth! （Section B）
— It ________ be him, for he ________ Australia since last Thursday and hasn't returned.
—No. Although it for more than a week, I'm far too busy to go there.
—Yes. I it for two years.
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