阿摩線上測驗
18. _____ the movie was so boring, I doubt I would have gone to see it.
(A) I had known if
(B) Had I known
(C) If had I known
(D) If I knew
答案：登入後查看
統計： A(3), B(201), C(15), D(21), E(0) #908328
統計： A(3), B(201), C(15), D(21), E(0) #908328
