Question

【题目】He __________computer games when his parents left home. So he didn’t know where they were.

A. is playing B. plays

C. played D. was playing

Answer 1

【答案】D

【解析】试题分析：句意：他的父母离开家时他在玩电脑游戏。所以他不知道他们在哪里。根据语境可知此处该用过去进行时态里表达，其构成为：was/were + doing,所以选D。