Both say “it’s their store” it just depends whether you are talking about one or more people. Su is usually he/she but it can mean they/it if you are being non-gender specific. Personally I would go for Es sus tienda but I’m not a native Spanish speaker so I could be wrong
Answer:
They told me that it would be my job and it is true that I have to work hard, but they did not tell me that it is to adapt to life here. I felt at home from the beginning! It amazes me that it is the city, with its parks and its architecture, and that it is the people here. They help you with any problem. I find it incredible that traffic flows even though it is the city. It seems a lie that it is the buildings of Avenida Dieciocho de Julio and that it is the Old City, so full of history. I still can not believe that I live here and that I am.
Explanation:
Con frecuencia is the answer
Hope this helps
