Question

While I ________to the programs, my mother ________outside.

A．listened; was washing	B．was listening; washed
C．was listening; was washing	D．was listening; is washing

Answer 1

C

解析试题分析：句意：当我正在听节目时，妈妈正在外面洗东西。while 后跟过去进行时，when 后跟过去时，两个动作同时进行，故选C。
考点：考查过去进行时态。