He has been here sine 1996=( )( )9 years he ( )here.同义句转换,( )中填哪几个单词?

问题描述:

He has been here sine 1996=( )( )9 years he ( )here.
同义句转换,( )中填哪几个单词?

It is...arrived

he has been here since 1996
=
it's been 9 years since he was here