IV. Put the following sentences into plural. Поставьте следующие предложения во множественное число. 1. This is a bird. 2. Is that cow big or small? – It is big. 3. Is he in the office? – Yes, he is. 4. I am a driver. 5. Is that girl your sister? 6. He is a noisy boy. 7. Is his brother at home? – No, he isn’t. 8. Where is the coin? – It’s in the box. 9. This is an apple and that is a flower. 10. That house is new.