My sister is twelve years old.
I usually wake up at twelve in the afternoon on weekends.
The clock struck twelve and it was time for lunch.
I want to buy twelve apples from the grocery store.
There are twelve months in a year.
There are twelve months in a calendar year.
There are twelve eggs in a carton from the grocery store.
I bought a dozen roses, which is twelve, for my girlfriend's birthday.
I need to leave work at twelve o'clock so I can make it to my doctor's appointment.
My little brother is twelve years old and loves playing video games.
There were only twelve seats left on the train, so we had to split up and sit separately.
I need to leave work early today because my daughter has a doctor's appointment at twelve o'clock.
The recipe calls for twelve ounces of diced tomatoes, but I only have a ten-ounce can.
My nephew just turned twelve and he's already taller than me!
I've been playing guitar for twelve years, but I still struggle with barre chords.
There were twelve people at the meeting, including the CEO and his assistants.
The concert begins in twelve minutes, do you think we have enough time to grab a drink?
They were married for twelve years before they decided to get a divorce.
It took her twelve hours to finish the assignment, but she was pleased with the result.
I need to bake a cake for tomorrow's party and I require twelve eggs.
The young couple exchanged vows in front of twelve close friends and family members during a private ceremony at the local chapel.
The competition was fierce, with twelve participants vying for the top prize in the annual spelling bee.
The CEO of the company revealed the twelve-point plan for restructuring the organization to increase profitability.
Despite the difficult terrain, the hikers managed to complete the twelve-mile trail in just under six hours.
The renowned musician captivated the audience with his twelve-minute solo during the concert.
The twelve apostles were key figures in the spread of Christianity.
She had twelve hours to complete the project, so she worked diligently to meet the deadline.
After twelve years of marriage, they decided to renew their vows in a private ceremony.
Twelve participants competed in the final round of the chess tournament.
The twelve jurors were given strict instructions to remain impartial during the trial.