阿摩線上測驗
29. He showed his language proficiency ______ when applying for a customer service job at the airport.
(A) certificate
(B) responsibility
(C) acceptance
(D) framework
答案：登入後查看
統計： A(213), B(78), C(43), D(41), E(0) #3863033
統計： A(213), B(78), C(43), D(41), E(0) #3863033
