How long have you been a m___ of Greener China?回答是For two years.

问题描述:

How long have you been a m___ of Greener China?
回答是For two years.

member成员

member 你成为中国绿化组织的成员有多久了?

Greener China应该是一个环保组织,那么前面应该填“成员”
m开头,所以是member

member