题目内容
10. By the middle of the 21st century , the vast majority of the world’s population ________ in cities rather than in the country.
A. are living B. will be living C. have lived D. will have lived
B
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题目内容
10. By the middle of the 21st century , the vast majority of the world’s population ________ in cities rather than in the country.
A. are living B. will be living C. have lived D. will have lived
B