don't forget to __the lights before you leave the classroom.a,turn off b,turn down c,turn up
问题描述:
don't forget to __the lights before you leave the classroom.a,turn off b,turn down c,turn up
d,turn on 选哪个,为什么,
答
A
关掉电器是用 turn off
离开教室前请关灯
如有不懂,请再追问哈·~