71 The hotels in the resort areas are fully booked in the summer. It would be very difficult to find any_________ then.
(A) vacations
(B) visitors
(C) views
(D) vacancies
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統計: A(5), B(4), C(3), D(69), E(0) #669054
統計: A(5), B(4), C(3), D(69), E(0) #669054