---- 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
---- 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
C
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。