Here is the sentence:
Mrs. Martin, the hiring manager, explained that she would consider an interview
if Lester remembered to wear shoes, comb the crumbs out of his beard, and
__________.
The blank requires an infinitive phrase. You chose replace the shark-tooth necklace with a tie, which matches to wear and comb, keeping the structure parallel. Remember that when you list infinitives, only the first one requires a to. Nice work, grammar cowpoke!