Thestonestheycarriedwereused
问题详情：
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
问题详情：
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
