Could you answer the questions in writing?
1. How long have you been at your school?
2. How long have you lived in your city/town?
3. How long have you known your best friend?
4. Since when have you begun to learn English?
5. How long have you lived in your house?
6. How long have you had your schoolbag?
Все в Present Perfect. Пожалуйста, помогите!