When we are certain something is the case based on evidence, we use must. Since the answer cannot be right, it must logically be wrong. May shows possibility and ought to expresses duty; neither fits.
Choose the most appropriate Modal from the given options and fill in the blank :-
This answer can't be right; It ______ be wrong.
Held on 1 Jun 2023 · Verified 13 Jul 2026.
May
Can
Ought to
Must
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