----Whendidyoucomeback? ----Halfanhourago.You

问题详情：

 ---- When did you come back?

 ----Half an hour ago. You _______ to music.

A. listened       B. had listened       C. were listening     D. have been listening

【回答】

C

知识点：过去进行时及其被动式

题型：选择题