: Historical or older versions are often archived for public review on sites like the Internet Archive covered in the B1 level or a comparison between the original and "Plus" editions of the guide? Alter Ego 3+ - Guide Pédagogique PDF - Scribd
To illustrate the value, let’s analyze a real page from the guide (p. 67-68 in the 2012 edition): alter ego b1 guide pedagogique pdf
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