A. Good morning. How 1) can/must I help you sir? B: I'd like to book a room for tonight, please. A: Certainly sir. B: How much does a single room cost for one night? A: 35. sir. Payable in advance. B: Whatt 2) Do I have to/Could I pay right now? A: Yes, I'm afraid you 3) need/must pay in advance, sir. B: Really. Well! 4)Do I have to/Shall I pay in cash? A: No, you 5)mustn'tineedn't pay in cash. You 6) could/can't pay by credit card if you prefer. B: This is a bit unusual. 17)may/must look in my wal- let to see if I have enough cash with me. A: You 8) couldn "I/don't have to hurry.sir. Take your time. __ A: Good morning. Here'the key. 9) Could/Must I leave my luggage here until twelve o'clock, please? B: Of course. 10)May/Need l ask if you enjoyed your stay? A: Oh yes. I 11) can/must write down the phone num. ber, so that I can stay here again. B: You 12) mustn "I/don't need to do that, sir. I 13) have to/can give you our card. A: Oh, thank you very much. Goodbye. B: Goodbye. underline the correct word()In bold.