Common mistake
A fluent essay can still be off-topic when it answers a nearby topic instead of the prompt.
Break the problem into one blocker, one piece of diagnostic evidence, and one next revision target first. The smaller the problem, the more focused the rewrite becomes.
Make the problem smaller first so the rewrite can actually focus.
A fluent essay can still be off-topic when it answers a nearby topic instead of the prompt.
If topic sentences do not contain prompt keywords or faithful paraphrases, body paragraphs may have drifted.
Split the prompt into object, action, limits, and required questions.
Rewrite the thesis and topic sentences so each points back to the prompt.
These pages explain the Banfen Writing diagnostic and blocker-repair method, Task 1 overview, Task 2 development, and common score blockers.
Submit the prompt and essay, find the criterion that most affects the score, then decide which paragraph to rewrite.