"wh-question : A question that is introduced by a wh-word (what, where, why, etc.) and cannot be..."

“wh-question : A question that is introduced by a wh-word (what, where, why, etc.) and cannot be answered by yes or no.
Today is recognized by the United Nations as World Teachers’ Day to highlight the rights and responsibilities of teachers around the world.”

- https://en.wiktionary.org/wiki/wh-question#English

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