Какой из артиклей нужно поставить перед словом?

1…North Sea is … coldest sea near … Europe.
2. I would like…coffee with …milk.
3…Russia is situated in …Europe and …Asia.
4. …books are new .
5. I have … car. My …car is black.
6. Open … window, please.
7. I have …dog, she has no…dog.
8. I don’t like …gold, I like …silver
9. Close …window, please!
10. I was …freshman …last year.