Question

【题目】 _____ those lights, please. Don’t waste energy.

A. Take off B. Put off C. Turn off D. Turn on

Answer 1

【答案】C

【解析】

试题分析：句意：请关闭那些灯。不要浪费能源。Take off 脱，摘；Put off推迟，延期；Turn off 关闭；Turn on打开。所以选C。