First of all, you need to translate this sentence in order to find out which word to use to fill the gap.
'A comb and ___ are used to comb or brush your hair.'
So, the word we need here is a brush. In Spanish, the word brush is el cepillo.
Necesito las palabras utilizadas en las actividades para poder contestar. Podrías escribir algunas ?
I need the words in order to help you.
What’s the vocabulary so I can help you easier.