I think she speaks English pretty well; she seems comfortable in the interview.

podria indicarse Who spoke to you?

para mi el error está en el some, la frase sería Are there any children in the park?

Yes, sometimes I don't understand, I hope to improve in the course

Studying English will help me in many areas of my life. It will allow me to communicate with people from different countries, travel more confidently, and understand more movies, books, and music. It can also improve my job opportunities and help me connect with international projects. Learning English opens the door to new experiences and knowledge.