host community-uploaded answer keys for various "Workbook 1" levels. Tips for Finding Specific Keys Check the Publisher's Website
Many Chinese tuition centres (e.g., Hua Language Centre, TL Language Centre) have created their own answer booklets. If you enroll, they will share detailed answer explanations—not just letters (A, B, C) but why one answer is correct. sec 1 chinese workbook answers link
“亲爱的未来的我：今天晚上，我害怕中文课。但我还在写。” host community-uploaded answer keys for various "Workbook 1"