定语从句我想的头都大了,1.He still lives in the room _____ window faces

定语从句
我想的头都大了,
1.He still lives in the room _____ window faces to the east.b
He still lives in the room,the window _____ faces to the east.d
He still lives in the room _____ is in the north of the city.a
He still lives in the room _____ there is a beautiful table.c
A.which B.whose C.where D.of which
为什么选这几个答案,把句子翻译出来是否有助于题目?这几句话侧重点是否不同.这几个句子很相似.
2.I’ll never forget the days _____ we studied together.c
I’ll never forget the days _____ we spent together.d
A.that B.不填 C.when D.A and B
为什么因为一个单词不同选择不同?study,spent有句子中有什么区别?
3.It was eleven o’clock _____ they went out of the cinema.c
It was at eleven o’clock _____ they went out of the cinema.b
A.which B.that C.when D.on which
为什么这么选?这二个句子很像.
碰到定语从句的题目应该先做什么，我一看到这些题目就傻眼了，原来会的也不会了。