Cambridge IELTS 21 Academic Practice Test 4 Writing includes two tasks. Task 1 asks you to report a pie chart and table about categories and satisfaction among university library users. Task 2 considers whether primary schools focus too much on formal learning and how important classroom play is. You have 60 minutes: write at least 150 words for Task 1 and 250 words for Task 2, then submit genuine responses for AI examiner feedback and criterion scores.