关于几道高中英语定语从句题目.感激不尽,

关于几道高中英语定语从句题目.感激不尽,
Galileo collected facts _ proved the earth and all the other planets move around the sun.
2) Galileo collected facts _ the earth and all the other planets move around the sun.
A.that B.which C.不填 D.A and B
(D ; A)
1）This is one of the most interesting films___shown last week.
2）This is the only (very) one of the most interesting films___shown last week.
A.which was B.that was C.which were D.that were
(D;B)
1)She will fly to Washington,___is the capital of the U.S
A.that B.where C.which D.in which
2)She will fly to Washington,___she can enjoy herself.
A.where B.that C.which D./
(C;A)
A.Is this the only flat ___ you have lived in?
B.Is this the flat ___ you once lived?
A.which B.where C.that D.the one
(C;B)
He talked of the persons,___ he had seen abroad.
A.who B.whom C.which D.that
(B) 难道A不可以吗.
He has three sisters,none of ___ is a doctor.
He has three sisters,___ are doctors.
A.whom B.them C.they D.who
（A;D) 第一个为什么不能选D,有什么区别?
The Science Buiding is very beautiful,behind ___ there is a large garden.
A.which B.what C.whom D.that
(这题选A,为什么不能选D?)
This is the second workplace ___ I used to work at,many workers of ___still have a good relationship with me.
A.that;which B.where;which C.where;whom D.that;whom
（A）
我需要这几道题每一道题目的分析.
定语从句真的搞不懂.不管怎么分析,语法也好,通俗的说也好.反正我要是能懂能掌握就好了.泪奔.感激不尽.