He repeated trial and error to create a new recipe.

He is in charge of the production of the movie.

He choreographed wonderfully for this stage.

He decided to ride out on a horse in tomorrow's race.

He decided to ride out on horseback in tomorrow's race.

I spent a lot of money to buy a new car.

In this area, ancient artifacts are frequently unearthed.

Many ancient relics were excavated from this archaeological site.

She chose to give birth at home.

She gave birth to a healthy baby last night.