take. turn,please这句哪错了

Question

take. turn,please这句哪错了

Answer 1

take turns
释义替换，轮流； 轮换； 更替； 倒换
1.He and Carla Torgerson take turns as the band's lead vocalist.
他和卡拉·托格森轮流担当乐队的主唱。
2.Males and females take turns brooding the eggs.
雄鸟和雌鸟轮流孵蛋。
3.Susan and her brother take turns ( at ) doing the dishes.
苏珊和她的兄弟轮流洗盘子.

Answer 2

turn需要改成复数：Take turns， please.