This is a kind of effective classroom teaching students learn independently and cooperati

问题补充：

This is a kind of effective classroom teaching students learn independently and cooperatively.

A. where

B. which

C. what

D. when

答案：

(答案→)A. where

B. which

C. what

D. when

解析：句意：这是一种有效的课堂教学，在这里学生独立合作的学习。这里使用的是定语从句，先行词是classroom teaching，定语从句中不缺主宾表，缺少的是地点状语，in the classroom teaching，所以用where引导定语从句，选A。