几道英语定与从句问题

几道英语定与从句问题
1、The place _______interested me most was the Children's Palace.
A. Which B. where C. what D. in which
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
7.Great changes have taken place since then in the factory _______we are working.
A. where B. that C. which D. there
6.The factory ______we'll visit next week is not far from here.
A. where B. to which C. which D. in which
答案我有,可是为什么有的我觉得用where可却用which