71. Ask and answer the questions. Use the words in brackets. 1. How old your pet (to be)? (4) 2. Where their aunt (to be) from? (Denmark) 3. What it (to be)? (a deer) 4. Who those boys (to be)? (her nephews) 5. Where that man (to be) from? (Greece) 6. What it (to be)? (a rubber) 7. What those girls (to be)? (students) 8. Where their cousin (to be) from? (Holland) 9. How old your uncle (to be)? (48) 10. What it (to be)? (a window)