Here are the sentences filled with the correct particles:
After months of preparation, the director is about to start shooting his new film.
It's up to you to decide what to do.
I thought the match would be over by now.
I'm afraid we're in for a bumpy flight.
Your work isn't up to your normal standard.
My washing machine is being repaired as it broke down yesterday.
The waiter broke into our conversation to take our order.
She broke off their engagement because she realized she didn't love him.
School breaks for the Christmas holidays on 23rd December.
He broke down after hearing the news of his wife's death.
Robbers broke into the bank yesterday.
Two dangerous criminals have broken out of jail.
Their marriage broke up after five years.
Mr Jones broke off the interview to answer the phone.
The horse must be broken in before anyone can ride it.