问题
选择题
Please ______ the lights before you leave the classroom. [ ]
A. turn down
B. turn on
C. turn off
D. turn up
答案
答案：C
搜题请搜索小程序“爱下问搜题”
Please ______ the lights before you leave the classroom. [ ]
A. turn down
B. turn on
C. turn off
D. turn up
答案：C