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题型:单选题 题类:常考题 难易度:普通
新目标英语2017-2018学年八年级上册Unit 4同步评估(音频暂未更新)
—I agree. Trees are getting now.
—But the environment is becoming more polluted and the number of wild animals is becoming .
—I'm afraid there will hardly be _______ space for humans to stand in 100 years.
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