1. A century ago, fewer than 1,000 people lived in this town.
(A) a period of 1000 years
(B) a period of 100 years
(C) a period of ten years
(D) a period of 12 months ˉ
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統計: A(7), B(25), C(5), D(0), E(0) #590040
統計: A(7), B(25), C(5), D(0), E(0) #590040