37. ___________ around the year 1425 the native people abandoned their homes here for reasons unknown.
(A) Sometime
(B) Some time
(C) Sometimes
(D) Some times
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統計: A(144), B(94), C(96), D(55), E(0) #1780132
統計: A(144), B(94), C(96), D(55), E(0) #1780132