阿摩線上測驗
56. If I _______ I would have to walk so much on my last trip to New Zealand, I wouldn't have joined the tour.
(A) had known
(B) knew
(C) could know
(D) could have known
答案：登入後查看
統計： A(1), B(1), C(0), D(0), E(0) #3361978
統計： A(1), B(1), C(0), D(0), E(0) #3361978
