阿摩線上測驗
27.
(A) which
(B) by which
(C) of which
(D) which of
答案：登入後查看
統計： A(21), B(28), C(370), D(2), E(0) #2363066
統計： A(21), B(28), C(370), D(2), E(0) #2363066
