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)

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