Can you give me an explanation for your behavior?

I will ensure that the project is completed on time.

Badgers dig deep holes.

The teacher gave clear instructions to the students.

He is a male student.

We had a pleasant conversation over dinner.

There are various options for entertainment in the city.

The children's faces were filled with delight as they opened their presents.

I want to contribute to the charity organization.

Einstein's theories contributed greatly to modern science.

The soldier fought bravely on the battlefield.