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

5.That is the day ______I'll never forget.

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

6.The factory ______we'll visit next week is not far from here.