Question

【题目】As he approached the door, Mike looked into the room again to see if he _______ anything behind.

A. left B. had left

C. has left D. would leave

Answer 1

【答案】B

【解析】B 考察动词时态。句意：当他快到门口的时候，麦克再一次看看房间是否落下什么东西。Leave behind所表示的动作发生在look into之前，因此使用过去完成时，表示在过去的某一时间或者某一动作之前就发生的动作。故B正确。