It is a common practice in China that the bride at the weeding be dressed in red to ensu

问题补充：

It is a common practice in China that the bride at the weeding be dressed in red to ensure good luck.

A. can

B. may

C. must

D. would

答案：

A. can

B. may

(答案→)C. must

D. would

解析：考查情态动词。A能够，可能；B也许；C必须；D将。句意：在中国，新娘在婚礼上穿红色预示着好运是一种惯例。故C正确。