1) Complete the sentences. Use positive or negative forms of the verb to be: 1. Lera and Varya ___ swimming in the pool. a. am b. is c. are 2. Misha ___ sleeping now. a. am b. is c. are 3. Dima's bicycle ___ new. a. am b. is c. are 4. I __ hot. Please, open the window. a. am b. is c. are 5. ___ your classmates playing basketball now? a. am b. is c. are 6. We can walk to school. It ___ far. a. am not b. isn't c. aren't 7. Why ___ you so angry? a. am b. is c. are 8. What ___ Igor's friends doing at the moment? a. am b. is c. are 9. Their children ___ 5 and 8 years old. a. am b. is c. are 10. Lisa's parrot ___ eating now. a. am not b. isn't c. aren't