阿摩線上測驗
25. At the age of ten, Michael lost his parents, _____ he considered the most traumatic in his life.
(A) which
(B) who
(C) whom
(D) when
答案：登入後查看
統計： A(838), B(222), C(434), D(384), E(0) #3157070
統計： A(838), B(222), C(434), D(384), E(0) #3157070
