Question

【题目】The earthquake_______ when I_______ some cleaning in the kitchen.

A. starts; was doing

B. started; was doing

C. was starting; was doing

D. starts; were doing

Answer 1

【答案】B

【解析】

试题分析：句意：地震发生时我正在厨房做一些清洁工作。表示过去某一时间发生的动作常用一般过去时，但表示过去某一时间正在进行的动作则要用过去进行时。所以选B。