The singular form of los libros is el libro. The reason why we use el is because libro is masculine.
Answer:
2.soy
3.en
4.tengo, años
5. gusta, jugar, pasar, amigos, mirar
Explanation:
conjugate the verb to the "we" form
so escuchar in we present form is "escuchamos"
escucho is the "I" form
Answer:
The first one is "hacer diligencias"
The second one is "sale"
The 3rd one is "devolver; cuidar"