Ayuda con este ejercicio para corregir oraciones : (?

Respuesta : 1) This your isn't as interesting as the last one2) This island is the least polluted island in the region 3) The people here are not as friendly as I remember2 opciones para la 4) (la primera es la más correcta)I love visiting the least busy places I love visiting the less busiest places5) The hotel that we stayed at was cleaner than I expected 6) They stayed at one of the most expensive resorts7) Booking a flight is as easy as booking a train ticket 8) The resort has the best barbecue in the world 9) Some guided tours are more unusual than others 10)The single rooms are as big as the double rooms.