28 Usually the hotel offers guests with two bottles of drinking water free of charge. They are________ .
(A) complimentary
(B) complete
(C) commentary
(D) commencement
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統計: A(80), B(0), C(9), D(10), E(0) #2295956
統計: A(80), B(0), C(9), D(10), E(0) #2295956