Question

【题目】—What terrible air!

—Yes. It is time to protect the ________.

A. illness B. house

C. money D. environment

Answer 1

【答案】D

【解析】

试题分析：句意： 一空气多糟糕啊。一是到了保护环境的时候了。A. illness生病；B. house房子；C. money钱；D. environment环境。所以选D。