阿摩線上測驗
50 The fire was thought to have been caused by a gas ________ .
(A) antipathy
(B) aversion
(C) explosion
(D) unanimity
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統計： A(9), B(20), C(241), D(13), E(0) #2782546
統計： A(9), B(20), C(241), D(13), E(0) #2782546
