Here are the answers to your questions:
Question 1:
La cama ayer.
• hice (Correct answer)
Question 2:
Ellos me _un collar.
• dieron (Correct answer)
Question 3:
Usted _ el trabajo?
• Hizo (Correct answer)
Question 4:
Aside from volunteering, how can people help non-profit organizations?
• by donating (Correct answer)
Question 5:
Poniatowska's work Nadie, nadie, las voces del temblor gives first-person accounts of which event?
• the 1985 earthquake in la Ciudad de México (Correct answer)
If you have any more questions or need further assistance, feel free to ask!