問題詳情

20. I _______ go to a cram school to improve my English speaking skills, but now I choose online courses.
(A) used to
(B) can use to
(C) will use to
(D) was used to

參考答案

用户評論

【Cheng Joe】評論

was used to + Ving 過去一直持續到現在的習慣used to + 原v 單指過去的習慣