Question

【题目】—What were you doing when he ________“hello”to you?

—I _______in front of the blackboard.

A. was saying； read B. was saying； was reading

C. said； read D. said； was reading

Answer 1

【答案】D

【解析】

试题分析：句意：当他跟你打招呼时你在做什么？我正在黑板前读书。根据主句的时态为过去进行时可知When引导的时间状语从句用一般过去时，回答用过去进行时。故选D。