Since Shanghai won the right to host the

问题选择题

Since Shanghai won the right to host the World Expo, over half a million people have volunteered to ___________in all the Shanghai Expo projects .

A．assist

B．apply

C．supply

D．provide

答案

答案：A

词义辨析。 A. assist 帮助；参加 B. apply 申请 C. 供给 D. 提供；规定。句意：自从上海赢得举办世博会的权利以来，超过一百万人义务参加了所有上海世博会的工程。故选A。