Ответьте пожалуйста на вопросы.
How long have you had your pet?
How long has your father known your mother?
How long have you studied at your school?
Заранее спасибо.

1) I have my pet for about 9 years. Its a very cute cat.2) My father had known my mom for about 20 years.3) I have studied at my school for 9 years.