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A centimetre is a unit of ______.
Superman had superhuman ________.
He didn't do it on _______. I'm sure it was an accident.
Learning about the past is defined as _______.
In Britain, some spellings are _________ from the USA.
This _________ jigsaw puzzle has 3,000 pieces.
Can you ________ those fighting dogs?
I _______ I have to go to school but don't want to.
The girl did not sleep very well _________ she was tired all day.
Bill has an extensive _________ of history.