Question

【题目】By the time I got to the check-out, I realized that I _____ my purse at my office.

A. have left B. had left

C. left D. was leaving

Answer 1

【答案】B

【解析】

试题分析：句意：--当轮到我付款的时候，我才意识到我把钱包落在家里了。主句用过去时态，从句用过去完成时态，故选B。