阿摩線上測驗
18. Can you tell me the reason ____ you did not turn in your assignment on time?
(A) how
(B) why
(C) what
(D) who
答案：登入後查看
統計： A(2), B(468), C(5), D(2), E(0) #2910923
統計： A(2), B(468), C(5), D(2), E(0) #2910923
