【题目】---We have booked a room for today and tomorrow.
---________, sir.
A.I'm sure
B.My pleasure
C.It's all right
D.I'll check

【答案】D
【解析】A. I'm sure我有把握，我确信；B. My pleasure别客气。（用于回答“感谢某人”的用语）；C. It's all right没什么，没关系；D. I'll check我来查查看；句意：—我们已预订了今明两天的房间。—先生，我查查看。根据句意，故选D。