Question

Don’t forget _______ all the lights when you leave the classroom.

A. to turn off
B. turning off
C. turn on
D. turning on

Answer 1

答案A
考查forget的用法，forget to do 意为忘记去干某事 forget doing 忘记做过某事
句意为，不要忘记去关掉所有的灯，当你离开教室的时候。