Match the words and phrases with their definitions (a-f). 1 best friend a not your favourite friend but a person you love a lot 2 the country b a person that hasn't got a brother or sister 3 share - c when you do this, it means you use something (eg a room) with another person 4 chat online d when you talk to people using a computer and the internet 5 an only child e a place with trees, outside a city 6 close friend f the friend you love best