He changed the engine to improve the performance of the car.

My car needs to have its engine replaced.

I bought a new drying machine.

He spent a night in the old warehouse.

His piano intermezzo was the highlight of the concert.

He sat in the cockpit and flew the plane.

The success of this project greatly depends on our flexibility.

There is Christmas in December.

There is Halloween in October.

Let's have lunch at twelve o'clock.