The definite article and noun agreement should be CORRECT
I think the answer would be D but I’m not very sure
26.Estarán
27. Yo Pondré la mesa para la cena mañana
28. D makes the most sense
29. The writer doesn’t mention rocks
30. C. He likes breathing the fresh air
Hopes this helps :)
1. Estudian
2. Prestan
3. Levantan
4. Contestan
5. Enseñan
6. Hablan
7. Toman
8. Llevan