[ Modals ]
They _____ enter yet. The store opens in 20 minutes.
A. can’t
B. have to
C. must
Select your answer:
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Grammar › ViewA convoy of trucks __________ down the highway.
A. is roaring
B. are roaring
Present Tenses › View
John is out. He has gone to the library. He ____ for his history exam there.
A. is reading
B. has been reading
C. reads
D. has read