【题目】---Can I pay the bill by credit card?
---Sorry, sir. But it is the management rules of our hotel that payment ______________ be made in cash.
A.shallB.need
C.willD.must
在线课程【答案】A
【解析】
考查情态动词词义辨析。A. shall用于法律法规或条文中，表示义务、规定等；B. need需要；C. will会；D. must必须。句意：——我能用信用卡支付么？——对不起，先生，现金支付是我们酒店的管理规定。故A项正确。