A. I havemade a room reservation here. B. I book a hotel. C. I have booked aroom in you hotel.
A. May I book a room for three nights? B. May I book a room for thirteen nights. C. May Ibook a room for staying three nights?
A. May Ipay by credit card? B. May I pay by travel's card? C. May I pay by travel's check?
A钢管 B. 铁管 C. 塑料管 D. 橡胶管
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