i joined the party three years ago(同义句） i have — — — —the party for three years四个空

i joined the party three years ago(同义句） i have — — — —the party for three years四个空
i joined the party three years ago(同义句） i have — — — —the party for three years四个空

i joined the party three years ago(同义句） i have — — — —the party for three years四个空
been a member of
我已经成为党员三年了