5 This building is the tallest building in this city 6 Ha is more hard - working than Quang 7 A village is quieter than a city 8 Apples are more expensive than oranges9 Kiet is the best person in our class10 That pen is shorter than this penCâu trả lời: 5 This building is the tallest building in this city 6 Ha is more hard - working than Quang 7 A village is quieter than a city 8 Apples are more expensive than oranges9 Kiet is the best person in our class10 That pen is shorter than this pen