请教5个英语中状从 和 定从的句子!THANK

请教5个英语中状从 和 定从的句子!THANK
1._______ I'm from,we are relaxed about time.
A.When B.Where C.How D.What
(B) 怎么理解,怎么翻译呢?
2.I got to the bus stop shortly _____ the bus had left.
A after B before
3.This is just the coat ___ I need tomorrow.
A that B what C which D in which
4.He arrived in London,_____ two years later,he became a famous artist.
A when B where C how D that
5.I like to live in a room ____ is full of beautiful flowers.
A where B whose C which D who
BACAC