Question

英语的一道选择题 The days____you could travel without a passport are gone. A.of which B.on which C.

C.in which D.that

Answer 1

答案是B
The days ____ [you could travel without a passport] are gone.
先行词是the days。后面是which引导的定语从句。
此题考察定语从句。从语法上说，A B都正确。
固定搭配：on + the day
于是毫不犹豫选B。
旅游不需要护照的日子一去不返。

Answer 2

C是什么

Answer 3

B