阿摩線上測驗
71. Which of the following meanings can explain unprecedented in the third paragraph?
(A) never being valued before
(B) never having happened before
(C) large in amount or degree
(D) being unanticipated
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統計： A(15), B(78), C(27), D(24), E(0) #1345964
統計： A(15), B(78), C(27), D(24), E(0) #1345964
