阿摩線上測驗
60 In Europe, where travel distances are often short, it is usually more _____ and inexpensive to travel by train than by airplane.
(A) consumptive
(B) unsuitable
(C) hindering
(D) convenient
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統計： A(0), B(1), C(1), D(32), E(0) #3412425
統計： A(0), B(1), C(1), D(32), E(0) #3412425
