Answer:
1)Maria es inteligente.
2)Julio y Marcos están en Ecuador.
3)Norma y yo estamos cansados.
4)Tu eres un estudiante de espanol.
5)Hoy es el tres de agosto.
The correct translation of these questions are as follow:
Do you study sciences in the university? Yes, I do. Do you talk with your classmates? Yes, I talk a lot with my classmates. Do you expect to study business administration? Do you need to rest after the exams? Do you buy books in the bookstore? Do you like to travel?