2. If you are unhappy with the service, why don’t you ____ to the manager?
(A) calculate
(B) celebrate
(C) complain
(D) concern
答案:登入後查看
統計: A(30), B(34), C(1486), D(60), E(0) #2766204
統計: A(30), B(34), C(1486), D(60), E(0) #2766204