Question

【题目】–What were you doing at eight last night?

-- I in my office at that time.

A. workedB. worksC. was working

Answer 1

【答案】C

【解析】

句意：---昨天晚上八点你在做什么？---那个时候我正在办公室里工作。Aworked过去式； Bworks单三形式 Cwas working过去进行时。本题考查过去进行时。根据时间状语at that time，可知时态是过去进行时，结构是were/was doing，故选C。