A.排頭隊(duì)員B.每個(gè)隊(duì)員C.排尾隊(duì)員D.隊(duì)長
A.甲B.乙C.甲和乙D.無法確定誰
A.高矮不同B.相背對(duì)著C.關(guān)系好D.相對(duì)