(·四川高考)Nowadays people are more concerned about the environment they live.A. whatB. w

问题补充：

(·四川高考)Nowadays people are more concerned about the environment they live.

A. what

B. which

C. when

D. where

答案：

A. what

B. which

C. when

(答案→)D. where

解析：D考查定语从句。句意：现在人们更加关心他们居住的环境。先行词是environment，将先行词代入定语从句后为：They live in the environment.由此可见关系词在定语从句中作地点状语，故用where引导定语从句。