阿摩線上測驗
11 After several years of training, he has a good ______________ of English now.
(A) demand
(B) command
(C) diligence
(D) confusion
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統計： A(9), B(71), C(61), D(4), E(0) #432294
統計： A(9), B(71), C(61), D(4), E(0) #432294
