In this video Kevin has corrected five answers written to
The diagram below shows how a biofuel called ethanol is produced.
Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
in our telegram group. There's also a sample written by Kevin to this task in the video. This topic was taken from Cambridge IELTS 19. For other Cambridge IELTS 19 topics click here.
Thanks.