問題詳情
【題組】49. Why are electric buses cleaner than other buses?
(A) Because they don’t make the air dirty.
(B) Because they carry bicycles to school.
(C) Because they can clean the city.
(D) Because they don’t go to the city.
參考答案
答案：A
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)