阿摩線上測驗
39 You should ________ all the lights before you go to bed.
(A) turn off
(B) put off
(C) call off
(D) keep off
答案：登入後查看
統計： A(4164), B(137), C(67), D(60), E(0) #925538
統計： A(4164), B(137), C(67), D(60), E(0) #925538
