Ответ:
Краткое пояснение: Необходимо образовать превосходную степень прилагательных, используя формы "the coldest", "the smallest", "the largest".
- It is (cold) day of the year. – the coldest.
- The room is (small) of all the rooms in the house. the smallest.
- Moscow is (large) city in Russia. the largest