问题 选择题

According to the rules and regulations, all payments ________ be made in cash in the shopping center.

A.shall

B.can

C.must

D.should

答案

答案:A

选A 考查情态动词。句意:按照规章制度,在购物中心购物必须用现金付款。shall用于第二、三人称时,可表示命令,意为“必须”,符合题意。

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