My book was here a second ago but now it
问题:
My book was here a second ago but now it's missing. Someone ________ a joke on me.[ ]
A. must be playing
B. must play
C. can't have played
D. can't play
My book was here a second ago but now it's missing. Someone ________ a joke on me.[ ]
A. must be playing
B. must play
C. can't have played
D. can't play