Put in by or on.

Did you go to Germany business or holiday?
I don’t watch the news television.
I took your pencil mistake.
You can’t phone me. I’m not the phone.
Do you prefer to travel air or train?
The programme was watched millions of people.
There are no trains today. The railway workers are strike.
Have you read any books Agatha Christie?
The telephone was out of order. We couldn't get the doctor to her. I went for him, sir, foot.
I met him quite chance in the train.