★ Modals of Deduction
You ___ possibly be tired. You’ve just woken up.
A. must
B. could
C. can
D. can’t
Preview next quiz:
‘Look! What’s that light in the sky? It’s not a star – it’s moving.”It ____________ be a plane, silly! What else could it be?’
A. might
B. must
C. can
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