单项选择题

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

<上一题 目录 下一题>
热门 试题

单项选择题
()an answer, she decided to write him another letter.

A. Not having received
B. Not receiving
C. Not received
D. Not being received
单项选择题
This is the()piano on which the composer created some of his greatest works.

A. true
B. original
C. real
D. genuine
相关试题