問題詳情

【題組】29. Buttons have been used as ornaments ______.
(A) on and off throughout their history
(B) before the 13th century
(C) since the 14th century
(D) only in modern times

參考答案

答案：A
難度：困難0.333333
統計：A(3),B(3),C(2),D(1),E(0)