113 Common TOEFL Words and Examples: Workbook 3 is meant to test your knowledge of the TOEFL vocabulary introduced in the ESL guide 113 Common TOEFL Words and Examples. The exercises here are all multiple choice, with the answer mentioned directly after each multiple-choice problem. This method allows you to study the vocabulary on your own. There are five workbooks in this series, each offering you 400 unique multiple-choice questions of common TOEFL vocabulary.