—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
网友回答
(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。