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 Thestonestheycarriedwereused

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问题详情:

 Thestonestheycarriedwereused

 The stones they carried were used ________ houses and bridges.

A. to build           B. to be built                      C. for building             D. A or C

【回答】

D

知识点:非谓语动词

题型:选择题

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