[P20-55]They are considering _________before the prices go up.

　　A) of buying the house B) with buying the house C) buying the house D) to buy the house

　　[P20-59]He went ahead _________ all warnings about the danger of his mission.

　　A) in case of B) because of C) regardless of D) prior to

　　注: 1. go ahead 繼續

　　2. mission 任務

　　[P20-65]

　　None of the servants were _________ when Mr. smith wanted to send a message.

　　A) available

　　B) approachable

　　C) attainable

　　D) applicable

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