Thenewsuspensionbrid的知识精选

Thenewsuspensionbridge
问题详情:Thenewsuspensionbridge___bytheendoflastmonth.hasbeendesigned B.hadbeendesigned     C.wasdesigned          D.wouldbedesigned【回答】B解析:B句中有“bytheendof+过去时间”结构,句子的...
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