The document provides instructions for a TOEFL vocabulary exercise where readers are given a sentence with an underlined word and asked to choose the option that best matches the meaning of the underlined word from four choices. It then provides an example sentence describing Thomas Hardy as a very industrious writer and asks readers to select which of the four choices - sensible, pessimistic, diligent, or successful - best suits the meaning of industrious. The correct answer is then revealed to be diligent.