阿摩線上測驗
126. The train to Manchester has been delayed _______ mechanical problems identified during the routine inspection.
(A) due to
(B) because
(C) since
(D) as
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統計： A(103), B(26), C(8), D(5), E(0) #3805134
統計： A(103), B(26), C(8), D(5), E(0) #3805134
