註釋
It is the STUDENT’ S BOOK of DOUBLE DEALING BUSINESS ENGLISH COURSE C1. The book contains: • 10 flexible class units that can be used sequentially or according to need • A detailed grammar section with explanations and practice activities • Complete audio scripts for the class units • Audio CD with all the dialogues and language work for the class units, using a range of native and non-native speakers of English * Answer key is provided.