[ Modals of Deduction ]
It ____ been food poisoning. Nobody else who ate the fish got sick.
A. must have
B. can´t have
C. might have

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Grammar › ViewWe ___ talk during the exam.
A. must
B. can
C. mustn’t
D. should
Quantifiers › View
Have you got ….. brothers or sisters?
A. some
B. any