阿摩線上測驗
17. Gasoline-powered vehicles had been around for more than a quarter-century by the start of the 1920, but not until that decade did they become a central factor in the everyday lives of ordinary Americans.
(A) Gasoline-powered
(B)had been around
(C)more than a quarter-century
(D) the 1920
(E)did they become
答案：登入後查看
統計： A(0), B(0), C(2), D(7), E(1) #3847853
統計： A(0), B(0), C(2), D(7), E(1) #3847853
