阿摩線上測驗
45. The train was delayed due to an argument _____ two passengers.
(A) involve
(B) was involving
(C) involving
(D) had involving
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統計： A(15), B(24), C(96), D(27), E(0) #3060508
統計： A(15), B(24), C(96), D(27), E(0) #3060508
