- The smallest book in the world measures 2.4 mm by 2.9 mm. It's an alphabet book.
- The tallest tree in the world is a redwood tree in California. It is 115,5 metres tall.
- The longest river in Europe is the Volga. It is 3692 km long.
- The highest mountain in the British Isles is Ben Nevis, in Scotland. It is 1344 metres high.
Ответ: Заполнены пропуски в предложениях превосходной формой прилагательных.