Hello!!!! Good morning!!! How are you today??? I just want to remind you what we did last week:

Student's book: pags 28, 29 and 30

Here you are some exercises for practising the plural:

http://www.curso-ingles.com/practicar/ejercicios/nouns

http://www.ejerciciodeingles.com/ejercicios-plural-sustantivos-rellenar-huecos/

https://www.ejerciciosinglesonline.com/new-exercises/ex1-plural/

http://www.inglessencillo.com/ejercicio-plurales

http://www.learnenglishfeelgood.com/sp/ingles-nombres-plurales1.html

And more exerciseses for practising the verb to have: 

http://www.vitutor.com/gramatica_inglesa/verbs/tohave_ej1.html

http://www.aulafacil.com/cursos/l15349/idiomas/ingles/ingles-a1/verbo-to-have-ejercicios

http://www.ejerciciosingles.eu/ejercicios/32.1-el-simple-present-de-to-have.aspx