Delete usual. Custom and usual do not flow together and a custom is already a usual thing, just like tradition.
Answer:
Very (few people understand how) important recycling is.
Sarah had (to make a decision) about where they should go for dinner.
Clara asked (if the rubbish) went to a landfill site.
Paul has (involved himself in politics while) he was at university.
Explanation:
King Minos demands fourteen Athenian youths each year to pay for his son's life.The princess provides Theseus with a sharp sword and a ball of thread. Theseus slays the Minotaur. Aegeus falls into the sea and drowns
The answer is: originated.
The verb to originate means to have a specified beginning. Synonyms of originate are begin, arise, have its origin and emerge.
In the third paragraph of "Let George Do It," the idea of making George do all the undesirable work certainly started in his own family. Therefore, after the boys' teasing, he also wonders why his family named him George and why he must strive on a lovely day.