Поставьте следующие предложения во множественное число.
1. This room is very large. 2. There is a match in the box. 3. Has this lady a knife? 4. There is a man and a woman in the street. 5. This lady is that gentleman's wife. 6. This shoe is too large for my foot. 7. The child is sitting on a bench. 8. My tooth is white. 9. This key is made of steel. 10. A potato is a vegetable and a cherry is a fruit. 11. This.is my friend's study.