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.
The teacher was not very clear when he spoke at times.
[LACK]
At times _______ the teacher spoke.
They had difficulty in deciding due to the huge choice.
[REACH]
The huge range made _______ a decision.
Despite his run of bad luck, Stuart still thought he could win the game.
[HOPE]
Stuart refused to give _______ his recent run of bad luck.
The weather forecast says it will probably rain tonight.
[STRONG]
The weather forecast says that _______ rain tonight.
The manager didn't think it was reasonable of you to complain so much about the hotel room.
[JUSTIFIED]
The manager didn't think you _______ a fuss about the service.
There would have been no problems yesterday had Sebastian not interfered.
[SMOOTHLY]
Without Sebastian's _______ yesterday.