Key word transformations - Two medals each

1. The mistake in the accounts was not noticed until the figures were re-checked.
light
The mistake in the accounts only ........................................ the figures were re-checked.
2. I had no problems at all during my trip to France.
plan
Everything ........................................ during my trip to France.

3. The heavy downpour brought their picnic to an abrupt end.
cut
They had to ........................................ because of the heavy downpour.
4. The reforms will not succeed unless they are carefully planned.
crucial
Careful ........................................ of the reforms.