20. Before he started to work, I asked the builder to give me an __ of the cost of repairing the roof.     
    A. assessment   B. announcement   C. estimate   D. evaluation

<assessment>
asset  资产
assessment  评价、评估
</assessment>

<announcement>
announcement  宣布、发表
announce  宣布、发表
pronounce  发音
denounce  抨击
renounce  拒绝
</announcement>

<estimate>
estimate  估计
It is estimated that...  据估计…
isolate  v.孤立的、隔绝的
abide  忍受、容忍
prestige  名声、声望
reputation  名声、声望
defame  诬蔑、贬低
amiable  宜人的、和善的
</estimate>

<evaluation>
evaluation  估价、评价
evaluate  （抽象的）评价
</evaluation>