MISSING MONDAY: 'A,' 'AN,' OR 'THE?'

Happy Monday everyone, and welcome back to The Daily Vitamin! For Missing Monday, we are asking you to place the correct article (A, AN, or THE) in the sentence below. 

Sentence 1: ___ stray dog was seen running ___ streets. Later, we took ___ dog to the vet. 

If you think you know the answer, give us your guess on our Facebook Page. We will post the answer later. 

https://www.facebook.com/ZigguratEscuelaCorporativadeIdiomas

Thanks for participating!