Four Corners is an integrated four-skills English course for adults and young adults. Four Corners Student's Book A with Self-study CD-ROM, Level 1 is designed

A collection of twelve lessons that teach English language grammar, vocabulary, functional language, listening and pronunciation, reading and writing and speaki

Four Corners is an integrated four-skills English course for adults and young adults. Four Corners Student's Book A with Self-study CD-ROM, Level 3 is designed

Four Corners is an integrated four-skills English course for adults and young adults. Four Corners Workbook B, Level 2 has eight-page units that can be used in

A collection of twelve lessons that teach English language grammar, vocabulary, functional language, listening and pronunciation, reading and writing and speaki