問題詳情

14. He _____ his teeth five times a day but now only three times.
(A) used to brush
(B) used to brushing
(C) was used to brush
(D) was used to brushing

參考答案

答案：A
難度：簡單0.73913
統計：A(17),B(2),C(0),D(2),E(0)