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3 votes
What part of speech is not appropriate in formal writing, but often used in daily conversation?

A. Conjunction
B. Adverb
C. Preposition
D. Interjection

User Vadim
by
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1 Answer

5 votes
Nice mathematics question

Most likely interjection because that is an abrupt remark, made especially as an aside or interruption.
User Esperanza
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