Put the following sentences into plural: 1. the ox has hurt its hoof, and cannot draw the cart. 2. the sheep is grazing in the meadow. 3. the valley is green, and a deer is grazing in it. 4. there was a potato in the basket. 5. there was a fish in the net. 6. the hoof of an ox is cloven that of a horse is not. 7. the key to the back door of the house is lost. 8. the roof of the house leaks; it needs repairing. 9. as soon as the train has arrived, the postman will deliver the letter. 10 the accident was seen by a woman. 11. the hero was greeted with joy. 12. the leaf was blown into the corner of the garden. 13. a fox often prowled about the farmyard, seeking a fat goose to carry off. 14. there is a photo of a beautiful child on the shelf. 15. my cat has caught a mouse. 16. i know, they have bought that beautiful craft we saw a day ago.