阿摩線上測驗
8. After retirement, my grandfather spent most of his free time working for a few local _____ causes.
(A) evident
(B) accidental
(C) valueless
(D) worthy
答案：登入後查看
統計： A(1), B(6), C(8), D(18), E(0) #3556175
統計： A(1), B(6), C(8), D(18), E(0) #3556175
