—Can I pay the bill by check? —Sorry sirBut it is the management rules of our hotel that

问题补充：

—Can I pay the bill by check?

—Sorry, sir．But it is the management rules of our hotel that payment be made in cash．

A. shall

B. need

C. will

D. can

答案：

(答案→)A. shall

B. need

C. will

D. can

解析：考察情态动词用法。Shall可以表示命令，警告，强制，或者指规则和法律要求做的事情。本题正是考察了shall表示按照规则和法律要求做的事情。故A正确。