讲义
A: May I speak to Mr. Liu, please?
B: I'm sorry, he isn't in.
A: Well, what about Miss Yang?
B: She's not in the office, either.
A: When will they be back?
B: I'm not sure.
A: Oh, I see. Can I leave a message?
B: Sure.
A: May I speak to Mr. Liu, please?
B: I'm sorry, he isn't in.
A: Well, what about Miss Yang?
B: She's not in the office, either.
A: When will they be back?
B: I'm not sure.
A: Oh, I see. Can I leave a message?
B: Sure.
