The mayor of Shanghai says that all construction work for the World Expo (世博会) _

游客2023-10-07 39

问题 The mayor of Shanghai says that all construction work for the World Expo (世博会) ______ by 2009.

选项 A、has been complete
B、has completed
C、will have been completed
D、will have completed

答案 C

解析介词by后接现在时间用现在完成时，by后接过去时间用过去完成时，by后接将来时间用将来完成时。根据题意，本句应用被动语态。

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