Don’t forget to         the lights before you leave the classroom.
A. turn on          B. turn off          C. turn up

Don’t forget to         the lights before you leave the classroom.

A. turn on          B. turn off          C. turn up

Don’t forget to ______ the lights before you leave the classroom.

A. turn down   B. turn on         C. turn off       D. turn up

Don’t forget to ______ the lights before you leave the classroom.

A. turn down      B. turn on        C. turn off          D. turn up