Get hold of some past exam papers from the revision website
If you ask, your teacher should be happy to get hold of some recent past papers for you to look at and check your knowledge against. If not, then at least put you in touch with your exam board. Study the papers and familiarize yourself with its layout and the types of questions asked.
For more information visit – https://ccc.cambridgeshireeducationaltrust.org/Revision/