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(   ) 3. —Remember          TV  before you leave home.

—OK,I will.

A. to turn     on  B. to turn down

C. to turn     off  D. to turn up

3. C turn on “ 开”;turn down “(声音,亮度等)调 小”;turn up“(声音,亮度等)调大”;turn off “关”。根据句意选C.

题目来源:2015仁爱英语同步练测考九年级英语全一册仁爱版 > Topic 3 What can we do at home to protect the environment?

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