Question 1 with 1 blankLa de Sara es grande. Question 2 with 1 blankHéctor y Lupita son . Question 3 with 1 blankMaira Díaz es . Question 4 with 1 blankRubén habla con su . Question 5 with 1 blankLos dos están en el parque. Question 6 with 1 blankIrene es . Question 7 with 1 blankElena Vargas Soto es . Question 8 with 1 blankDon Manuel es el de Martín.

This question is incomplete since you did not provide the options to fill each blank. Here are the options:

abuelo artista familia hermanos hijo ingeniera novios periodista

Explanation:

1 La familia de Sara es grande.

2 Héctor y Lupita son novios.

3 Maira Díaz es  artista.

4 Rubén habla con su hijo.

5 Los dos hermanos  están en el parque.

6 Irene es ingeniera.

7 Elena Vargas Soto es periodista.

8 Don Manuel es el abuelo de Martín.

To answer this question, you have to be sure that the nouns you are using fit in gender and number with the people of each sentence.

The nouns can be singular or plurar, and be female or male, and this has to fit with each person.

answer: the answer is b. se quejan because it's in the plural form.