When a student highlights a word or phrase (e.g., "a shred of evidence," "tantamount to," "harbour doubts"), this feature provides C2-level insights beyond a simple definition.
You do not have to break the law to get a digital copy. Here are legitimate channels that respect the authors' work while giving you the PDF you need. upstream proficiency c2 students book pdf
A class of 5 students can buy one digital license and share a single device (e.g., a classroom tablet). Alternatively, they can each chip in $10 to buy a used physical copy and pass it around. When a student highlights a word or phrase (e