选词填空。 which, that, who, whom, whose, where, when 1. Please tell us about the kinds of vacations _____ your firm can offer. 2. I need to see the person _____ is responsible for the project. 3. I know the man _____ bike was stolen yesterday. 4. I will remember those days _____ we were together. 5. I want to buy the fruits _____ are fresh and cheap. 6. Tell me _____ you were talking with on the phone when I opened the door. 7. This is the place _____ Confucius was born.