The population of Africa is ________ so rapidly as to cause concern of the whole world. A. expanding...
2023-01-21 22:19:31 130次 2013届浙江省高二上学期期中考试英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The population of Africa is ________ so
rapidly as to cause concern of the whole world.
A. expanding B.
circulating C. exporting D.
spreading
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