Предумайте предложение с some,a lot of

I have a lot of letters from Russia. Some people go in differents countries

SOME:
1.I have some friends in Russia.
2.I have some work for you
3.Give me some milk,please?
4.Would you like some juice?
A LOT OF:
1.I drank a lot of coffee yesterday
2.I have a lot of homework
3.I have a lot of friends in school
4.My dad had a lot of money