На следующие вопросы: 1. can you speak english? 2.how can you speak english? 3. what can you see on the walls of the room? 4. how do we call the people who live in great britain? 5. what language do the people who live in great britain speak?

1. yes, I can
2. I can speak English very well
3. We can see: paintings, photos, posters, drawings.
4. People who live in Great Britain speak on English and Scottish