阿摩線上測驗
17. It’s amazing that Michael _____ swim across the large pool by himself back in his early childhood.
(A) can
(B) must
(C) could
(D) ought to
答案：登入後查看
統計： A(70), B(10), C(135), D(12), E(0) #3426226
統計： A(70), B(10), C(135), D(12), E(0) #3426226
