In the Cambridge suite you can use any of the UK and US types of English. Just try to be consistent throughout the exam.
https://leverageedu.com/blog/idioms-with-examples/
https://www.fluentu.com/blog/english/english-idioms-6/
https://www.ef.com/wwen/english-resources/english-idioms/
https://www.cambridge.org/elt/blog/2018/05/17/interactive-idioms-quiz/
Check the difference in conjugation between the regular and the irregular ones.
Check the following video.