阿摩線上測驗
9. The new fitness app is very easy to use. It has simple _____.
(A) instructions
(B) education
(C) evaluation
(D) reduction
答案：登入後查看
統計： A(156), B(21), C(7), D(6), E(0) #3430645
統計： A(156), B(21), C(7), D(6), E(0) #3430645
