All the parents in Mianyang admire Nanshan Middle School the teachers are treating their s

问题补充：

All the parents in Mianyang admire Nanshan Middle School the teachers are treating their students like friends.

A. why

B. where

C. that

D. which

答案：

A. why

(答案→)B. where

C. that

D. which

解析：在非限制性定语从句中,当前置词为表示地点累的词语时,引导词用where,故选B.