Some people fear that _____ air population may bring about changes in _____ weather around the world...
2023-02-01 19:51:38 156次 20102011学年山西省高一2月月考英语卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Some people fear that _____ air population
may bring about changes in _____ weather around the world.
A. /; the B. the;
/ C. an; the D. the; a
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