阿摩線上測驗
23.I _________ hard to help support my family ever since I was a child.
(A) worked
(B) work
(C) am working
(D) have worked
答案：登入後查看
統計： A(7), B(10), C(6), D(33), E(0) #704608
統計： A(7), B(10), C(6), D(33), E(0) #704608
