问题补充：
—Is your brother a League member?
—Yes, he the League three years ago. He a League member for three years
A. joined; has been
B. has joined; has been
C. was joined; is
D. joined; was
答案：
(答案→)A. joined; has been
B. has joined; has been
C. was joined; is
D. joined; was
解析：根据时间状语可知前句为过去时态，后句为完成时态，他为句子主语，故不用被动语态，选A。
