阿摩線上測驗
42.
(A) attempted
(B) attempting
(C) had attempted
(D) was attempting
答案：登入後查看
統計： A(2), B(4), C(2), D(3), E(0) #3930875
統計： A(2), B(4), C(2), D(3), E(0) #3930875
