单项选择题
W: Hello, Sir. May I take your order now M: Sorry, I haven’t decided yet. A friend of mine is coming.
A. Husband and wife. B. Waitress and guest. C. Boss and secretary. D. Doctor and patient.
A. He’ll have a conference next Friday. B. He has returned from a conference. C. He won’t be available until next Friday. D. He’s waiting for the man in his office.