17. The art gallery is open on Saturdays and Sundays. _______, it is closed on weekdays.
(A) For one thing
(B) Sooner or later
(C) In other words
(D) To begin with
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統計: A(52), B(60), C(880), D(36), E(0) #2082340
統計: A(52), B(60), C(880), D(36), E(0) #2082340