[ Simple Past & Past Progressive ]
She is working… a big presentation for next week.
A. up
B. about
C. as
D. on
Select your answer:

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Grammar › ViewWe …… visit her tonight but I’m not really sure.
A. can
B. should
C. might
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Modals of Deduction › View
That painting looks so realistic. It ___ be a photograph.
A. can’t
B. might
C. must
D. will
