阿摩線上測驗
44. You can call the technicians if the machine ______. They will come and fix it as soon as
possible.
(A)passes away
(B)gives up
(C)takes off
(D)breaks down
答案：登入後查看
統計： A(5), B(5), C(16), D(275), E(0) #2677637
統計： A(5), B(5), C(16), D(275), E(0) #2677637
