問題詳情

Mark ________ be a teacher, but now he is a CEO in an international company.
(A)used to
(B)is used to
(C)was used to
(D)had been used to

參考答案

答案：A
難度：適中0.652459
統計：A(199),B(8),C(53),D(15),E(0)

用户評論

【許武忠】評論

used to +動詞，過去曾經是be used to  + 名詞，一直很習慣