The teacher asked, "What's your full name?" -> The teacher wanted to know what his full name was.
She asked Leon, "When and where were you born?" -> She asked Leon when and where he was born.
She asked Leon, "Did you have a nice trip from Spain?" -> She asked Leon if he had had a nice trip from Spain.
The teacher was interested, "Have you ever been to Great Britain before?" -> The teacher was interested to know if he had ever been to Great Britain before.
The teacher asked, "Do you like the country?" -> The teacher wanted to know if he liked the country.
The teacher was interested, "What subjects would you like to study?" -> The teacher was interested to know what subjects he would like to study.
The teacher asked, "What are your marks in English and History?" -> The teacher wanted to know what his marks were in English and History.
She asked Leon, "How long have you been studying English?" -> She asked Leon how long he had been studying English.
The teacher was interested, "Have you taken the test yet?" -> The teacher was interested to know if he had taken the test yet.
She asked Leon, "Do you have any health problems?" -> She asked Leon if he had any health problems.