1. Choose the correct sentence 1. b 2. a 3. a 4. b 5. a 2. Choose the correct form of the verb ‘to be’ 1. These are my good friends. 2. Lena is sick. 3. Is he Russian? 4. Her tests are very difficult. 5. I is older than my sister. 6. My brother and I are twins. 7. This is a really good game! 8. These are not my books. 9. Are you glad? 10. Is he a pupil? 3. Find and correct the mistakes 1. We are from Ukraine. 2. She isn’t a manager. 3. Is he eleven years old? 4. I am hungry. 5. Are you cold?