阿摩線上測驗
79. Which of the following is NOT mentioned in the passage as the causes why languages become endangered?
(A) Earthquake
(B) War
(C) Not passed on to children
(D) International trade
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統計： A(29), B(2), C(5), D(44), E(0) #568848
統計： A(29), B(2), C(5), D(44), E(0) #568848
