Question

1 - en el mercado listen to what a group of tourists shopping at an open-air market say and select the demonstrative adjectives you hear.

Answer 1

 A demonstrative adjective is one that indicates a relation of place, expressing the proximity of the person with whom or of whom one speaks. These adjectives always precede a noun.

 "Here", "there".
 "this that"
 "These", "those".
 Example:
 Those fruits are good.
 This rice is excellent.

Answer 2

Explanation:

This question corresponds to an interactive exercise with audio, in my searches through search engines, I found the audio to be able to help you with the answer. I hope it helps.

Audio Transcript:

1. Cuánto cuesta este cinturón?  

this

2. Quiero aquel sombrero.

that

3. Estas sandalias son baratas, ¿verdad?  

these

4. Qué piensas de esa chaqueta?  

that