Question

【题目】Mr. Li often works very hard. When I ______ him at eleven last night, he ______in the office.

A. saw; worked B. was seeing; was working

C. was seeing; worked D. saw; was working

Answer 1

【答案】D

【解析】试题分析：句意：李先生经常努力工作。当我昨晚11点见到他时，他正在办公室里工作。

根据last night可知，第一空用一般过去时；根据When I ______ him at eleven last night可知，第2空用过去进行时。故选D。