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(29), B(31), C(1458), D(59), E(0) #2766204
統計: A(29), B(31), C(1458), D(59), E(0) #2766204