She had also decided that she would buy herself some new luggage, a ..... of cases that cost a lot of money. (*) pack (*) set (*) pile (*) group
This is a companion discussion topic for the original entry at https://english.best/questions/11108,she-had-also-decided-that-she-would-buy-herself-some-new-luggage-a-___-of-cases-that-cost-a-lot-of-money/