It’s helpful to put students in a situation they can learn how to cooperate with each other.
A. that
B. when
C. which
D. where
网友回答
A. that
B. when
C. which
(答案→)D. where
解析：句意：将学生置于可以让他们学会怎么彼此合作的形势下是很有帮助的。这里使用了定语从句，先行词是situation，定语从句中不缺主宾表，缺少的是地点状语，用where引导定语从句，所以选D。