PRODUCT DESCRIPTION (เนื้อหา)
Interchange is a four-level, American English course that has been used by over 50 million students worldwide. This Level 1
Workbook provides six pages of additional practice for each unit of the Student’s Book. The workbook helps recycle and review
language by providing additional practice in grammar, vocabulary, reading, and writing. It is appropriate for in-class work or can
be assigned as homework.
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