1. It’s a very good room. It is the best room in the hotel. Explanation: The room is very good, but compared to other rooms in the hotel, it is the best. So we use the superlative form "the best" to indicate that it surpasses all other rooms in terms of its quality. We use the preposition "in" to indicate the location (the hotel) where the comparison is being made. 2. It’s a very cheap restaurant. It’s the cheapest in the town. Explanation: The restaurant is very cheap, but compared to other restaurants in the town, it is the cheapest. So we use the superlative form "the cheapest" to indicate that it has the lowest prices among all the restaurants in the town. We use the preposition "in" to indicate the location (the town) where the comparison is being made. 3. It’s a very happy day. It was the happiest day of my life. Explanation: The day is very happy, but compared to all other days in my life, it was the happiest. So we use the superlative form "the happiest" to indicate that it was the most joyful and fulfilling day in my life. We use the preposition "of" to indicate the possessive relationship (my life) and to show what the comparison is being made against. 4. She’s a very intelligent student. She is the most intelligent in the class. Explanation: The student is very intelligent, but compared to other students in the class, she is the most intelligent. So we use the superlative form "the most intelligent" to indicate that she has the highest level of intelligence among all the students in the class. We use the preposition "in" to indicate the location (the class) where the comparison is being made. 5. It’s a very valuable painting. It is the most valuable in the gallery. Explanation: The painting is very valuable, but compared to other paintings in the gallery, it is the most valuable. So we use the superlative form "the most valuable" to indicate that it has the highest monetary worth among all the paintings in the gallery. We use the preposition "in" to indicate the location (the gallery) where the comparison is being made. 6. Spring is a very busy time for me. It is the busiest time of the year. Explanation: Spring is busy, but compared to all other seasons in the year, it is the busiest. So we use the superlative form "the busiest" to indicate that it is the most hectic and active time of the whole year. We use the preposition "of" to indicate the possessive relationship (the year) and to show what the comparison is being made against. 7. He’s a very rich man. He is the richest man in the world. Explanation: The man is very rich, but compared to all other men in the world, he is the richest. So we use the superlative form "the richest" to indicate that he has the highest amount of wealth among all the men in the world. We use the preposition "in" to indicate the location (the world) where the comparison is being made. 8. It’s a very big castle. It is the biggest in Britain. Explanation: The castle is very big, but compared to all other castles in Britain, it is the biggest. So we use the superlative form "the biggest" to indicate that it has the largest size among all the castles in Britain. We use the preposition "in" to indicate the location (Britain) where the comparison is being made. 9. It was a very bad experience. It was the worst experience of my life. Explanation: The experience was very bad, but compared to all other experiences in my life, it was the worst. So we use the superlative form "the worst" to indicate that it was the most negative and unpleasant experience in my life. We use the preposition "of" to indicate the possessive relationship (my life) and to show what the comparison is being made against. 10. He’s a very dangerous criminal. He is the most dangerous in the country. Explanation: The criminal is very dangerous, but compared to all other criminals in the country, he is the most dangerous. So we use the superlative form "the most dangerous" to indicate that he poses the highest level of threat and harm among all the criminals in the country. We use the preposition "in" to indicate the location (the country) where the comparison is being made.