問題詳情
【題組】27．In order to cut down on the carbon emission, more people choose to travel＿．
(A)by electric car, bicycle or plane
(B)by private car, bicycle or bus
(C)by bus, electric car or plane
(D)by bicycle, bus or electric car
參考答案
答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)