Question

【题目】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

【答案】C

【解析】句意：当电话铃响的时候我正在帮助我妈妈在厨房里做饭。此题考查过去进行时。根据句意，应选C。