помогите ответить на вопросы по английскому .нужно (6,7,8,9,10,12,15,17,18,19)

6 My father works as a police officer. 7 My teacher of English works at school.8 My sister's name is Ann.9 My brother is 18 years old. 10 My friend is surfing the Internet now. 12 There are four rooms in my flat.15 I am from Russia ( при необходимости свою страну указать )17 I am good at Maths.18 My favorite hobbies are listening to pop music, reading interesting books and playing basketball. 19 My family consists of four members.