None of the servants were ()when Mr. Smith wanted to send a message.
None of the servants were ()when Mr. Smith wanted to send a message.
A、acceptable
B、advisable
C、attainable
D、available
【正确答案】:D
【题目解析】:acceptable可接受的;advisable可取的,明智的;attainable可达到的,可得到的;available可用的,(人)有空的,侧重指“现成的”。本题句意为:Smith先生想要让人捎信儿的时候,没有一个仆人在。故应选D
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