Е1. Образуй мн. Число
1. a helmet 2. a knife 3. a mouse 4. a class 5. A poptato
е 2 Измени и поставь в ед или мн. числе.
This is a ruler - These are rulers.
1. That is a helmet. 2. These are mice. 3. Those are ladies. 4. This is a tooth.