17. The air conditioner is not working. When _____?
(A) did you last time turn on it
(B) was the last time you turned it on
(C) the last time it is turned on you
(D) you turned it on last time
答案:登入後查看
統計: A(79), B(185), C(14), D(46), E(0) #3105305
統計: A(79), B(185), C(14), D(46), E(0) #3105305