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
詳解 (共 2 筆)
未解鎖
正確答案是: (B) was the ...
未解鎖
When was the last ti...