Answer:
1. The scenery here is fantastic.
2. I have bought some furniture.
3. We don't have any information.
4. We climbed a ten-foot wall.
5. Pack your luggage quickly.
6. She took the trouble to do her work.
7. She provided them with food.
8. My family members were also invited.
9. She is writing new poetry. / She is writing a new poem.
10. not sure what's wrong
11. I met my cousin's brothers today.
12. not sure how to correct this one
13. She is the eldest. / She is older than (me/you/us/her/him/them).
14. He repeated the same story again.
15. Why can't you hear me?
hope this helps. sorry if some are wrong. i'm not entirely sure what they want as an answer.