Выберите и вставьте в предложение нужную форму глагола «to be». 1. There … flowers in the vase. a) is b) are c) was 2. The flat … very comfortable. a) is b) are c) am 3. This ball … very heavy. a) is b) are c) am 4. I ... a pupil. a) is b) are c) am 5. My father ... not a teacher, he ... a scientist. a) is b) are c) am 6. She ... an actress. a) is b) are c) am