Поставьте слова во множественное число. 1. i saw a mouse running across the floor 2. the baby got a new tooth 3. i need a watch 4. he cooked a potato for dinner 5. the professor is reading a thesis 6. i caught a fish 7. i saw a sheep in the farmyard 8. she talked to a child 9. the children hid behind the bush 10. when i was in the park yesterday i saw a goose 11. the wagon is being pulled by an ox 12. i tols the children a fable about a wolf and a fox 13. in science class, we studied a phenomenon of nature