英语改错,总共有十个,不要瞎改,且每次修改仅限一次

英语改错,总共有十个,不要瞎改,且每次修改仅限一次
hi,i had just joined the pen pal club and i want to be your friend.
I'm 15 years old and i lived with my parents in singapore.my father is sports instructor at college,he is good at all kinds of sports .as my father,i enjoy sports very much my favourite sports is swimming and football.i also like listening to music and collect stamps.
my most favourite subject at school is computer studies and i've got a personal computer at home.have you got a PC at home?because you have one,are you often on the internet?what other hobby do you have?
i hope you will write soon and tell them about yourself and how you enjoy doing.
best wishes,
joseph