问几个英语定语重句的问题,

问几个英语定语重句的问题,
1、 On the wall hung a picture,____color is blue.
A.whose B.of which Cwhich D it's
2 The boss___department Ms King worked ten years ago look down upon women.
A in which B in that C in whose D whose
3 He is a man of great experience,____much can be learned.
A from him Bfrom whom 我知道这里应是B,能和我解释下原因吗
4 Please put the letter____ he can easily find it.
A in which Bwhere C the place where D in the place
5 Antarctic,____we know very little is covered with thick ice all the year round.
Awhich B where C that D about which
6 It was a meeting____ importance i didn't realize at that time.
Awhich B of which C that D whose
7 For many cities in the world,there's no room to spread out further,______New York is an example.
A for which Bin which C of which Dfrom which
8 A good friend of mine from____ I was born showed up at my home right before I left for beijing.
A how B whom C when D which
9 The house i grew up____has been taken down and replaced by an office building,
A in it B in C in that D in which
10 Whenever I met her,____was fairly often,she greeted me with a sweet smile.
Awho B which C when Dthat

1.A picture 和color是从属关系
2.C
3.B learn sth from sb
4.B 地点状语从句,
5.D
6.D
7.C
8.C
9.B （that / which ） i grew up in
10.B
再问： 能解释一下第八句的意思吗？
再答： （09安徽）1. A good friend of mine from I was born showed up at my home right before I left for Beijing. A. how B. whom C. when D. which 就在我准备去北京前,我儿时的一位好朋友到我家里来了