Question

One of the most significant(意义重大的)happenings in the year 2005 was the success of Shenzhou Ⅵ, ________ all Chinese were proud．

1. A.
   of which
2. B.
   for which
3. C.
   which
4. D.
   in which

Answer 1

A
be proud of表示“以……而自豪”，该句of提前，由of which引导非限制性定语从句修饰Shenzhou Ⅵ。