Question

【题目】—Remember___________ off the lights when you leave the classroom.
—OK, I will.
A.turn
B.to turn
C.turning
D.turns

Answer 1

【答案】B
【解析】句意：当你离开教室时，记着去关灯。remember to do sth.：记住去做某事（这件事还没做）；remember doing sth.：记得做过某事。结合句意和语境，故选B。