阿摩線上測驗
21. ______ many ups and downs together, the couple are now a model of the perfect match.
(A) Having experienced
(B) To experience
(C) Experienced
(D) Being experienced
答案：登入後查看
統計： A(113), B(55), C(69), D(18), E(0) #3357929
統計： A(113), B(55), C(69), D(18), E(0) #3357929
