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>