大家帮我看看对不对八年级上册英语第一单元SectionB 3a

大家帮我看看对不对八年级上册英语第一单元SectionB 3a
...but I'm pretty healthy.I exercise every day,usually when I come home from school.My eating habits are pretty good.I try to eat a lot of vegetables.I eat fruit and drink milk every day.I never drink coffee.Of course,I love junk food too,and I eat it two or three times a week.Oh,and I sleep nine hours every night.So you see,I look after my health.And my healthy lifestyle helps me get good grades.Good food and exercise help me to study better.
有没有哪里打错啊?