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)

內容推薦

內容推薦