单项选择题
A: How long can I keep the bookB: ______
单项选择题 A: Have you decided what to get your wife for Christmas yetB: ______
单项选择题 A: You're thirsty There are some cans of Coke in the fridge.B: ______
单项选择题 A: I've been on business trip abroad last month.B: ______A: Oh, pretty good, thanks. What about youB: Just can't complain.