Preparation Book For TOEFL Primary Step 1 The TOEFL Primary tests are the first step on a students path to reaching his or her full potential. The tests measure students English communication skills and progress in English classes. Preparation Book TOEFL Primary Step 1 can be used to ehance their English ability, especially the reading, listening and speaking skill. Each unit focuses on a particular test category and each lesson introduces a topic with words, phrases, and expression in context.