(comparative more on the alert, superlative most on the alert)
"on-the-alert." YourDictionary, n.d. Web. 23 June 2018. <http://www.yourdictionary.com/on-the-alert>.
on-the-alert. (n.d.). Retrieved June 23rd, 2018, from http://www.yourdictionary.com/on-the-alert
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