Ответ:

  1. My mum can speak fluent English and French — she's bilingual.
  2. The population of Britain is about 60 million.
  3. I live in Britain, but I'm not British. I'm Spanish. I'm a foreigner.
  4. We want a better world for the next generation and their children.
  5. I can speak German, but it isn't my mother tongue.
  6. She goes back to Liverpool whenever she can. It's her hometown.