Before he started work, I asked the builder to give me a(n) of the cost of repairing the roof.
A. estimate
B. value
C. announcement
D. evaluation
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(答案→)A. estimate
B. value
C. announcement
D. evaluation
解析：考查名词词义辨析。A估计；B价值；C声明；D估价；句意：在他开始工作之前，我问建筑工人帮我估计一下修理屋顶的费用。根据句意说明A正确。