It’s helpful to put students in a situation they can learn how to cooperate with each oth

问题补充：

It’s helpful to put students in a situation they can learn how to cooperate with each other.

A. that

B. when

C. where

D. which

答案：

A. that

B. when

(答案→)C. where

D. which

解析：考查定语从句。当定语从句的先行词是situation, case, condition等抽象名词，后面的定语从句句子很完整，要使用关系副词where。句意：把学生放在一个那个相互合作的情况里，对于学生是很有帮助的。故C正确。