ПОМОГИТЕ СРОЧНО! нужно исправить ошибки в тексте: 
Tony Mitchell is 12. He s at Merton secondary school. He s in class 2b. He does English, maths, geography and skience.

Tony Mitchell is 12. He is at Merton secondary school. He is in class 2b. He does English, maths, geography and science.

Tony Mitchell is 12 years old.he is studying at Merton secondary school.he is in class 2n.he learns English.......