B. Circle the correct words. 1. The cookbook which / who you bought me is great. 2. I've had this ball since / for I was three years old. 3. That's the hairdresser which / who cut my hair. 4. Would / Could you like me to give you a call later? 5. This is the area where / when they are going to build a new university. 6. Mr Rustamov is the man whose/who dog I take for a walk every morning. 7. I haven't seen / didn't see Jane since the day we have visited / visited her. 8. May/Must I speak to John, please?​