[Q]: How does the sentence end?

Jessica asked Monica for an avacado because 

[A]: Jessica had forgot to purchase some during her trip to the store.


[Q]: How does the sentence end?

Neil didn't want to give their number to Derrick, because 

[A]: Derrick always wanted to engage in a bunch of small talk.


[Q]: How does the sentence end?

Rachel reread her favorite book and finished it in one day, so Emily bought her another book. 

[A]:
Emily was excited to give her the new book.