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one and only

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One's only love; one's only sweetheart. For example, He swore she was his one and only, but the detective following him knew better. [c. 1900]

QUIZ
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Question 1 of 7
Fill in the blank: I can’t figure out _____ gave me this gift.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

How to use one and only in a sentence

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