21.   John seemed totally unaware of the effect he was having on my daughters.

22.   Jurors in the case of Dalton Prejean were unaware of his long-term mental problems when sentencing him to death.

23.   Looking down carries the further risk of making him unaware of other dangers around him.

24.   Many people are unaware of the recall because the bikes can work perfectly before the crank suddenly breaks off.

25.   Most people are unaware of the back-breaking, soul-destroying labor required in past centuries.

26.   Most people remained largely unaware of the change to the law.

27.   Neither the Realists nor the photographers were unaware of the significance of such a portentous conjunction.

28.   On the planet, unaware of being watched, Ace was laying explosive charges.