Question

I ______ my mum cook dinner in the kitchen when the telephone ________.

A. helped; was ringing B. helped; rang

C. was helping; rang D. was helping; was ringing

Answer 1

C

【解析】

试题分析：句意：我正在厨房帮妈妈做饭这时电话铃声响了。表示过去某时正在进行的动作使用过去进行时。表示某一动作发生在过去用一般过去时。所以选C。

考点：考查动词时态。