For question 4 it’s les because it’s plural considering ellas is a group of girls. question 5 is nos because the pronoun is nosotros meaning “we” hope this helps.
Answer:
1. sí, estudio ciencias.
2. no, no converso mucho
3. sí,espero hacerlo.
4. sí, lo necesito
5. no, no los compro en la librería
6. sí, me gusta viajar.
Explanation:
the person used at the time the question is asked must be taken into account, either in the first person, second or third of the singular or plural.
It is important to identify them because in this way we can give correct answers and we will know how to conjugate the verbs that are being used
Spanish is a nice language