The government announced that six highways by the end of last year. A.builtB.had builtC.have been bu

题目简介

The government announced that six highways by the end of last year. A.builtB.had builtC.have been bu

题目详情


The government announced that six highways      by the end of last year.
A.builtB.had builtC.have been builtD.had been built
题型:单选题难度:偏易来源:不详

答案

D

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