The natural environment should be protected because of the important role _______ plays in human sur...
2022-06-24 08:31:14 79次 2020届江苏省高三下学期期初检测试卷英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The natural environment should be protected because of the important role _______ plays in human survival and development.
A. which B. the one
C. it D. that
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