A systematic approach, such as the one detailed by Breakout English , helps avoid simple errors:
The (Reading and Use of English Part 4) tests your ability to paraphrase using specific grammar and vocabulary. You must complete a second sentence so it has a similar meaning to the first, using a given "key word" that cannot be changed. Core Rules of Part 4 Cambridge English C1 Advanced - CAE Key Word Tr...
: At C1 level, questions often require two adjustments (e.g., changing active to passive and using a fixed expression). A systematic approach, such as the one detailed
Success often depends on recognizing these frequently tested structures: A systematic approach