615. A washing machine was a ______ several decades ago. Few households could afford one.
(A) panorama
(B) range
(C) gaze
(D) luxury
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統計: A(15), B(3), C(6), D(103), E(0) #1592825
統計: A(15), B(3), C(6), D(103), E(0) #1592825