This is a C2 Proficiency practice exam for Part 4: Key Word Transformation. The summary below keeps the exercise understandable, linkable, and accessible outside the interactive runner.
I don't think you'll find that many road atlases have such detailed maps.
[few]
I _______ have such detailed maps.
The owner of the shop said that we didn't have to buy anything; we could just look round.
[obligation]
The owner of the shop said that we _______ a purchase; we could just look round.
Martin was too lazy to present any of his ideas at the meeting yesterday.
[bothered]
Martin _______ forward any of his ideas at the meeting yesterday.
Once he'd handed in his entry, the only thing Tom could do was wait for the judge's decision.
[nothing]
Once he'd handed in his entry, there _______ wait for the judge's decision.
Philip said that his friends were surprised when he suddenly decided to retire.
[came]
Philip said that his _______ to his friends.
Susan doesn't intend to climb that mountain again.
[has]
Susan _______ that mountain again.