问题
选择题
The population of the city ________from less than half a million in 1949 to over two million.
A．have increased
B．has increased
C．have improved
D．has improved
答案
答案：B
increase 数量方面的增加；improve 状况方面的改进。
搜题请搜索小程序“爱下问搜题”