[巩固练习]
1. —Hello, may I have an appointment with the doctor?
    —_________
A. Sorry. He is busy at the moment.   B. Why didn’t you call earlier?
C. Certainly. May I know your name? 
D. Sorry. He doesn’t want to see you.
2. —I’ll meet you outside the cinema in an hour, OK?
—___________.
A. No, 2 hours earlier             B. Yes, that’s a good idea
C. OK, but I can manage         D. No, I don’t think so
3. —____________?
—OK. Let’s meet at the usual place.
A. Would seven thirty be all right for you   
B. Would you like to know where we will meet
C. Would you let me know when we all meet 
D. Would you mind meeting at the usual place