Перепели предложения, заполняя пропуски нужной формой глагола to be (is, am, are)
1.It ... a black cup. 2. We ... happy. 3. My jug ... white. 4. Where... you from? 5. Mr. Green ... from Russia. 6. I ... a student. 7. We ... pupils. 8. He... not a bad cook, he... a good cook. 9. It ... a black horse. 10. Will... happy. 11. My plate... green. 12. Where ... you from?