The mayor of Beijing says that all construction work for the Beijing Olympics ____ in 2006 .A has
The mayor of Beijing says that all construction work for the Beijing Olympics ____ in 2006 .
A has been completed B has completed c had been completed D will have completed
人气：475 ℃ 时间：2020-05-24 00:53:44
解答
c had been completed 因为说是过去时,而建设又在之前,因此用过去完成时态
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