阿摩線上測驗
16. The high-speed rail train _____ when Rita reached the train station.
(A) should have left
(B) would have
(C) had left
(D) left
答案：登入後查看
統計： A(28), B(3), C(141), D(6), E(0) #3195798
統計： A(28), B(3), C(141), D(6), E(0) #3195798
