问题补充:
-Are you familiar with the music?
-Yes. There was a time this kind of music was quite popular.
A. that
B. when
C. with which
D. about which
答案:
A. that
(答案→)B. when
C. with which
D. about which
解析:句意:上文,你对音乐熟悉吗?下文,是的。有一段时间这种音乐很流行。这个句子中含有一个定语从句,且关系词在从句中作时间状语,故用关系副词when,选B。