One of the most difficulties in learning a language is learning the idiomatic phrases, slang and common usage of native speakers. These four books focus on giving students a hand when learning North American idiomatic language. Ya Gotta Know It by Hania Hassan It provides an excellent mixture of materials for classroom lessons and American slang reference. Its unique feature is that students are provided with ongoing   context reminding learners of idioms learned while improving their understanding by using the same characters and a developing story line. Exercises provide a chance for students to practice in proper situations. Price: $11.66 ISBN: 9780074560167 Common American Phrases by Richard A. Spears It has a wide variety of resources on American English. It contains more than 2,000 phrases and idioms. Excellent for classroom use as this reference guide focuses on standard phrases that can be found in everyday standard usage. Price: $ 7.06 ISBN: 978007405607 American Idioms and Some Phrases Just for Fun by Edward Swick The book's strength is its translation of more formal English of a number of idioms. These phrases are then repeated in a number of different contexts giving students a good idea of common usage. There are also a number of exercises designed to help students put their newfound idiomatic understanding into use. Price: $ 5.49 ISBN: 9780764108075 American Slang by Robert L. Chapman It provides a guide for advanced level English students. This references guide to slang is best used by those interested in the very latest and up-to-date slang and slang you might hear in the laterst films from Hollywood. Price: $ 1.99 ISBN: 9780062731722 The purpose of writing the passage is   _  .
teach students how to learn idioms introduce books to readers increase students' knowledge about idioms offer learning materials to readers for free