Answer:
1. Ellos buscaban el mercado.
2. El dependiente vende una camisa.
3. Nosotros escribimos cartas a nuestros amigos.
4. ¿ Tú pagaste en efectivo por la ropa interior?
5. Juan llegó ayer de su viaje a la playa.
Explanation:
Identifying the narrator and the time that a sentence indicates is the first step that must be taken. this is very important to be able to conjugate the verbs, and that these have concordance with what is being expressed
12. conoce
13. sabía
14. sabe
15. conoce
16. sabes
Then you should do it lol
The answer is 12=D, 13=A, 14=C