I ______ my mum cook dinner in the kitchen when the tele Wap版

试题详情及答案解析

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

答案：C

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。