阿摩線上測驗
9. If you have a grievance, you need to ________it officially with the union.
(A) consider
(B) retrieve
(C) linger
(D) file
答案：登入後查看
統計： A(0), B(1), C(1), D(0), E(0) #3359984
統計： A(0), B(1), C(1), D(0), E(0) #3359984
