阿摩線上測驗
21. We thought it would take a while but we solved the problem ___ away.
(A) far
(B) go
(C) right
(D) very
答案：登入後查看
統計： A(73), B(37), C(279), D(5), E(0) #3637864
統計： A(73), B(37), C(279), D(5), E(0) #3637864
