阿摩線上測驗
2 The more public transportation is used, the smaller a city’s carbon footprint is. This is because public
transportation uses less____ .
(A) vapor
(B) space
(C) fuel
(D) distance
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統計： A(7), B(13), C(152), D(14), E(0) #3255643
統計： A(7), B(13), C(152), D(14), E(0) #3255643
