Grammarmedium · Past Paper
I don't know ___ he is at home or not.
Aif
Bwhether
Ceither
Dthat
✓ Correct Answer: B — whether
'Whether' is preferred over 'if' when 'or not' is explicitly stated or implied in choice.
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✓ Correct Answer: B — whether
'Whether' is preferred over 'if' when 'or not' is explicitly stated or implied in choice.
Share this question