I almost didn't recognise Arnold because he had had so much of his hair cut. (Use AMOUNT)
I almost didn't recognise Arnold due to the amount of hair he had had cut.
The increase of COVID cases has led to the imposition of masks again. (Use IMPOSED)
Masks have been imposed as a result of the increase of COVID cases.
People weren't sure whether the food was health. (Use called)
The healthiness of the food was called into question.