<span>está (quizlet: </span>https://quizlet.com/75366434/ser-y-estar-origin-and-location-the-two-verbs-to-be-flash-cards/ )
The answer for a is 1 and for b is 4 and c is 2 and d is 3. I know Spanish and I speak so it was pretty easy, hope this helps! A-1 b-4 c-2 d-3