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Theengineersmadetwobigplansforthedam,wasneverputinforce.A.oneofthemB.whichC.oneofwhichD.everyoneofwhich

题目详情
The engineers made two big plans for the dam, ____ was never put in force.
A.one of them
B.which
C.one of which
D.every one of which
▼优质解答
答案和解析
C