Преобразуйте в скобках существительные в единст-венное число и произведите все необходимые изменения.
1. (The wolves) are stronger than the foxes.
2. (The leaves) are on (the trees).
3. (The oxen) are in the (yards).
4. The beautiful (flowers) are in (the gardens).
5. There are some (people) in the (classrooms).
6. The cases) are in the lost-property (offices)