51 A: Can I leave my rucksack behind the desk for a few hours after checkout? B: _____(A) No problem! Just be sure to put a label with your contact details on it. (B) Sorry. Your rucksack is not ready to check out because it isn’t found yet. (C) Certainly. And we’ll make sure the room will be ready when you check in. (D) Wait a minute. Let me check to see if the rucksack has already arrived.