Question

【题目】I remembered to lock the door before I left the office, but forgot __________ off the lights.

A. turning B. to turn C. having turned D. to have turned

Answer 1

【答案】B

【解析】考查非谓语动词。句意：我记得在离开办公室前要关门，但是忘了关灯。forget to do sth. 表示“忘记去做某事”，符合题意。forget doing sth. 表示“忘记已经做了某事”。根据句意可知选B。