Translation of subgroup in Spanish

When we got our room at the Rex we were shocked once again. The room had a terrible smell of cigarettes and we insisted on moving. The next room they gave us was a non-smoking room.
Are you using any literature in your studies? You want to study Spanish? I can help you. Where do you life in England? I have visited London last year. It was very amazing. It was a great trip.
If we had more time, we would have stayed overnight in Aguas Calientes and visited Machu Picchu before 10 a.m. when the crowd (from Cusco) arrives.