---- Where the guidebook? I can’t see it anywhere.
---- I it right here, but now it’s gone.
A. did you put; have put
B. had you put; have put
C. have you put; put
D. were you putting; put
网友回答
A. did you put; have put
B. had you put; have put
(答案→)C. have you put; put
D. were you putting; put
解析：前一空用现在完成时，表示动作已经做，后一空用一般过去时，表示刚刚发生的动作。