She worked continuously for hours to finish the project.

Their proposition is contrary to ours.

I want to contribute to the charity organization.

Her contribution to the project was invaluable.

The ignition of the engine is controlled by the computer.

The executive assumed responsibility for the scandal caused by his controversial remarks.

I need to convey an important message to him.

I will convince him to join our team.

The copyright of this book belongs to the author.

The teacher made a correction to my homework.