[ Modals Posibility and Probability ]
John is so silent. He __________ not be feeling well.
A. must
B. can’t
C. might
D. could
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Grammar › ViewI _____ video games tomorrow because it is the birthday of my father.
A. haven’t played
B. can’t play
C. don’t play
D. hadn’t played
Grammar › View
We _______ get to the meeting on time yesterday. Our boss wasn’t happy with us.
A. could
B. couldn’t