Помогите с заданием 2

1.My father is older than my mother
2. Ternopil is smaller than Kiyv
3. The river were wider in the past
4.My brother is yongest in our family 
5. The air was much cleaner in the past
6. Father is stronger than my uncle

1. My father is older than my mother
2. Ternopil is smaller than Kiyv
3. The river were wider in the past
4. The air was much cleaner in the past
5. Father is stronger than my ancle