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"Language teaching has been around for many centuries, and over the centuries, it has changed." I got this sentence while i was reading an article. Can you please tell me if around used as an adverb or adjective in the context? I checked in dictionary. As in the dictionary, it is adverb. If it is an adverb, I feel quite difficult to get the meaning.
See the adjective listing in the first group here: around - definition of around by the Free Online Dictionary, Thesaurus and Encyclopedia.
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