Answer:
1. Si, estudio ciencias en la escuela.
2. Si, converso mucho con los compañeros de clase.
3. Si, espero estudiar más lenguas extranjeras.
4. Si, necesito descansar después de los exámenes.
5. Si, compro los libros en la librería.
6. Si, me gusta viajar.
Explanation:
The positive answers to the questions must be given. You have to answer "Si,..." and complete de sentence with the information given in the question.
1. Do you study science at school?
2. Do you talk a lot with classmates?
3. Do you expect to study more foreign languages?
4. Do you need to rest after the exams?
5. Do you buy books in the bookstore?
6. Do you like to travel?