阿摩線上測驗
8. You need to practice a lot and correct your mistakes in order to _____ your performance.
(A) reduce
(B) measure
(C) pollute
(D) improve
答案：登入後查看
統計： A(5), B(16), C(4), D(375), E(0) #3156177
統計： A(5), B(16), C(4), D(375), E(0) #3156177
