阿摩線上測驗
32 The fire-fighter organization has over 1,000 volunteers who are extensively trained and mostly .
(A) unidentified
(B) undoubted
(C) unknown
(D) unpaid
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統計： A(52), B(60), C(44), D(191), E(0) #2355270
統計： A(52), B(60), C(44), D(191), E(0) #2355270
