10. Complete the columns. SINGULAR: ear, class, 3) …, party, 5) …, child, house, 8) … . PLURAL: 1) ears, 2) …, people, 4) …, knives, 6) …, 7) …, tomatoes. SINGULAR: boy, 10) …, mouse, bike, 13) …, hero, body, 16) … . PLURAL: 9) …, glasses, 11) …, 12) …, dishes, 14) …, 15) …, women.

Образуем формы множественного числа и подбираем недостающие формы единственного числа.

1. ears — дано.
2. class → classes.
3. person → people.
4. party → parties.
5. knife → knives.
6. child → children.
7. house → houses.
8. tomato → tomatoes.
9. boy → boys.
10. glass → glasses.
11. mouse → mice.
12. bike → bikes.
13. dish → dishes.
14. hero → heroes.
15. body → bodies.
16. woman → women.

Ответ: 1) ears; 2) classes; 3) person; 4) parties; 5) knife; 6) children; 7) houses; 8) tomato; 9) boys; 10) glass; 11) mice; 12) bikes; 13) dish; 14) heroes; 15) bodies; 16) woman.