阿摩線上測驗
3. The vacuum cleaner is not working. Let’s send it back to the _____ to have it inspected and repaired.
(A) lecturer
(B) publisher
(C) researcher
(D) manufacturer
答案：登入後查看
統計： A(39), B(70), C(54), D(715), E(0) #2160257
統計： A(39), B(70), C(54), D(715), E(0) #2160257
