问题
单项选择题
How long has the Charity Health Center been operating
A．1 year
B．3 years
C．7 years
D．10 years
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
How long has the Charity Health Center been operating
A．1 year
B．3 years
C．7 years
D．10 years
参考答案：D
