1.The place _______interested me most was the Children's Palace.

A. which     B. where      C. what       D. in which

2.Do you know the man _______?

A. whom I spoke      B. to who spoke     C. I spoke to     D. that I spoke

3.This is the hotel _______last month.

A. which they stayed           B. at that they stayed

C. where they stayed at         D. where they stayed

4.Do you know the year ______the Chinese Communist Party was founded?

A. which       B. that        C. when        D. on which