Choose the correct words.

1)TV chef Jamie Oliver worked at his parents restaurant during/for eight years before he went to catering college.
2)Lady Gaga"s first album came out in/on August 19th 2008.
3)Actress Emms Watson was famous by/for the age of eleven.
4)Mozart started composing music at five years old.A year late/later, he played concerts around Europe.
5)Cristiano Ronaldo is now/for the highest-paid footballer in the world.
6)Bill Gates started programming computers in/by High Scool.