I have joined the youth volunteers for five years.这句话对吗?

I have joined the youth volunteers for five years.这句话对吗? I ( ) the league for five years A joined B.have joined C.hav 这几句话对不对?I have joined the organization in the last few years I joined the army five years ago.改为同义句 I have ___ a solider I___the League for five years.a joined b.have joined c.have He joined the army for five years（改错） I have joined the Part for 3years .I have been a member of t i have been love you for five years我这样写对吗? Don't you know that I have not smoked for many years?这句话对吗 I have had the mobile for five years的同义句,在线等啊 I have already bought the book for about two years.这句话错在哪里? 造同义句"He joined the Party five years ago."