■作業本含解答 The Intermediate Workbook with answers can be used alongside the Student's Book and offers additional consolidation activities.
Interchange Level 1A Student's ...
Richards
Interchange Level 1B Student's ...
American Empower A2 Elementary ...
Foster
American EmpowerB1+ Intermediat...
Doff
Anderson
American Empower B1 Pre-interme...
American Empower A1 Starter Stu...
American Empower A1 Starter Wor...
Godfrey
American Empower A1 Starter Tea...
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