题海让大学四年没有难题
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题目详情

单选题 By the middle of the 21st century, the vast majority of the world's population ______ in cities rather than in the country

A. will have lived

B. are living

C. have lived

D. will be living

22级专四备考课程封面

学科:22级专四备考

时间:2026-05-25 06:13:51

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