Question

【题目】My mother was cooking while I_________ the radio.

A. listened to B. have listened to C. was listening to D. am listening to

Answer 1

【答案】C

【解析】在英文中while引导时间状语从句，通常用进行时态，本题的主句为过去进行时，故while从句也应该用过去进行时，结构为was或were+doing，故本题选C。