Answer:
1: Ese mercado.
Explanation:
2: Aquel cliente.
3: Ese cinturón.
4: Ésta caja.
5: Aquel centro comercial.
6: Aquellas botas.
7: Aquel abrigo.
8: Este regalo.
9: Aquella vendedora.
10: Éstas gafas.
Answer: The difference between the tenses is when you use them. Pluperfect is commonly used in conversation. Preterit perfect is commonly used in formal writing and literature. In most cases, you're going to use the pluperfect.
Explanation: hope this helped :)
Pedro se lava los dientes.