36번
On their Web site, Athabasca Airlines states that their customer service department ______ all messages within a period of three business days.
이문제에서 왜 (C)responds가 아니고 (B)answers에요???ㅠ.ㅠ
그리고 38번에서
During the expo, photocopiers, computer printers, and Internet services will be available to participating firms at no _______ charge.
인데... 저는 (A)personal 랑(D)estra중 (A)답도 틀리진 않은것 같은데 ....
혹시 이게 숙어 인가요???ㅠ.ㅠ




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