Добрый день уважаемые знатоки, прошу помощи в решении одного задания на тему "Степени сравнения прилагательных" Имеется тест, кто поможет буду благодарен
1. Lambs are younger than sheep. Sheep ... .
2. Steel is heavier than aluminium. Aluminium ...
3. California is wetter than Arizona. Arizona ...
4. Listening is more difficult than reading. Reading ...
5. The Third World is poorer than the West. The West ...
Варианты расстановки в скриншоте

1.Sheep is older than lambs. 2.Aluminium is lighter than steel. 3.Arizona is drier than California.4.Reading is easier than listening. 5.The West is richer than the Third World.