(　　)36. Wendy and her sisters decided ________ the house.
(A) taking turns cleaning　
(B) to take turns clean　
(C) took turns cleaned　
(D) to take turns cleaning

(一)

  沒有decided doing sth 这个用法。

  decide vi., vt. 决定；断定；判定
   1. decide to do：

      Last week, a group of Class 3 students decided to go to the museum in the centre of the town.

      上星期，三班的一些学生决定到位於镇中心的博物馆去。
   2. decide that...：

      When the winds started to get strong, the family decided that it was not safe to remain in the house.

      当风势开始加强的时候，这家人決定，继续待在房子里是不安全的。
   3. decide + 疑问词+ to do：

      We must decide which one to buy.

      我们一定要決定下来 究竟買哪一个。
   4. It is decided that...：

      It is decided that we should start tomorrow. 已经决定了 我们明日出发。（注：这种語句要用虚擬语气。）

(二)

  一般take turns to do sth 和take turns doing sth 兩種用法都有,

  那就看主要強調的是 "將要去做"還是 "這件事情本身"了 ?

  如 Beth and Amanda are taking turns riding（強調騎馬這件事）

  另如 We take turns to answer the phone.（強調將要開始的動作）