阿摩線上測驗
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
答案：登入後查看
統計： A(361), B(27), C(29), D(63), E(0) #2795827
統計： A(361), B(27), C(29), D(63), E(0) #2795827
