The answer is 3. La chica oye las palabras del Chico.
1. quehaceres
2. fregadero
3. trapear
4. habitación
5. refugio
6. olla
7. vale
8. apoyo
9. me toca
10. se divorciaron
11. fuimos
12. estuiaba, llamó
13. estuiaba, llamó
Number's 4, 5, and 11 I'm not really sure about.
Since piso is floor in spanish, the word that would fit the best would be carpet, which is b. una alfombra