To help you verify your work, here are the core grammar points usually found in the Level 2 solved keys:
A: Partially. For closed tasks (fill-in-the-blank, multiple choice), yes. For open writing (essays, emails), the resuelto provides a model answer – not the only correct answer. open+mind+level+2+resuelto+updated
Finding a PDF with all the answers is a shortcut, but to actually pass the TOEFL, IELTS, or Cambridge exams later, use the "Resuelto" files as a correction tool rather than a copy-paste source: The "Blank-First" Rule: To help you verify your work, here are