ГДЗ граматика Англійська мова 7 клас Мітчелл

Talk in pairs. Take turns to ask and answer questions about the ideas below. Say how long you have done them. 

How long have you lived in this neighbourhood? – I’ve lived in this neighbourhood since childhood.
How long have you been in the school basketball? – I have been there for 10 days.
How long have you known your best friend? – I have known him since childhood.
How long have you played the guitar? – I have played the guitar since 5 years.