阿摩線上測驗
1) The______ of knowledge in any field requires time and devotion.
(A) acquisition
(B) acquaintance
(C) organization
(D) representation
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統計： A(40), B(26), C(14), D(6), E(0) #1613592
統計： A(40), B(26), C(14), D(6), E(0) #1613592