阿摩線上測驗
20. There was a misunderstanding about a trifle, and I had to resign.
(A) thing of little value
(B) thing of great importance
(C) matter of duty
(D) matter of principle
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統計： A(13), B(9), C(10), D(2), E(0) #1071575
統計： A(13), B(9), C(10), D(2), E(0) #1071575
