Cambridge IELTS 19 Academic Practice Test 3 Writing gives you 60 minutes for two authentic Academic tasks. Task 1 asks you to describe the cyclical process used to produce ethanol biofuel from plants and trees, while Task 2 asks whether everyone, including young people, should save money for the future. Write at least 150 and 250 words respectively, then submit both responses for criterion-level AI evaluation, detailed feedback and estimated band scores.