阿摩線上測驗
8. I made a lot of efforts on my assignment, but it was all in vain.
(A) worthwhile
(B) finished
(C) wasted
(D) successful
答案：登入後查看
統計： A(17), B(6), C(330), D(0), E(0) #1368637
統計： A(17), B(6), C(330), D(0), E(0) #1368637
