阿摩線上測驗
3. _______ David is saying is not easy to understand.
(A) It is
(B) If
(C) What
(D) How
答案：登入後查看
統計： A(16), B(15), C(59), D(4), E(0) #1953623
統計： A(16), B(15), C(59), D(4), E(0) #1953623
