A:At what age do children start school in your country?
B:At five.
A:Do boys and girls go to school together?
B:Yes,they do.
A:Do you think this is a good idea?
B:Yes,I do.
A:Do some children go on to university?
B:Yes,they do.
A:What examinations do they take first?
B:O levels and A levels.
A:How long do you usually stay at university?
B:Three or four years.