阿摩線上測驗
188. Why did Mr. Dent receive a discount?
(A) He booked the service in April.
(B) He is a returning customer.
(C) He paid the full amount upfront.
(D) He referred a friend.
答案：登入後查看
統計： A(157), B(11), C(20), D(8), E(0) #3823488
統計： A(157), B(11), C(20), D(8), E(0) #3823488
