单项选择题

The population of cities in the Eastern and Northern areas of the United States is declining while ______ southern cities is growing.

A．that in
B．that of
C．those of
D．those in
<上一题 目录 下一题>
热门 试题

单项选择题
Mr. Johnson preferred ______ heavier work to do.
A．to be given
B．to be giving
C．to have given
D．having given
相关试题