This site is a goldmine for Singaporean students. You can download Secondary 1 Vocabulary Apps and word lists for Express , Normal Academic (NA) , and Higher Chinese (HCL) levels.
Most workbook answers are derived directly from the textbook's "Key Vocabulary" list. Mastering the textbook vocabulary often makes finding an answer key unnecessary. sec 1 chinese workbook answers link
While direct workbook PDFs are rare due to copyright, some platforms host shared answer keys or similar test papers: This site is a goldmine for Singaporean students
Many educators provide step-by-step walkthroughs of the workbook exercises. These are particularly helpful for understanding the "why" behind the answers. Normal Academic (NA)
Ensure you are looking for the correct stream ( G1/G2/G3 or Express/HCL ) as the workbooks differ significantly.