阿摩線上測驗
23. He is not sure ___________.
(A) if he will leave soon
(B) where he come from
(C) that he is ill or not
(D) how tall is he
答案：登入後查看
統計： A(206), B(21), C(92), D(14), E(0) #1308755
統計： A(206), B(21), C(92), D(14), E(0) #1308755
