In which sentence does the verb number need to be changed in order to agree with the indefinite pronoun?

Which of these can an adverbial clause modify?

Based on the book, "the boy in the striped pajamas."describe how these circumstances would affect a person’s identity development (crisis, commitment, diffusion, foreclosure, moratorium, achievement.)

Match each feature of an investment with the correct investment. maturity date limited partner closing price flipping the amount a stock ended at for the day arrowright investing in a business without running it arrowright fixing up a property to sell it for a profit arrowright the date the bond expires and the principal is due arrowright