The unsecured door allowed anyone to enter the building.

The argument presented in the paper is valid.

I am wary of strangers.

Using renewable energy is a sustainable way to power our homes.

That will be $1,500, minus the deposit of $150 that you already paid.

The imbalance in wealth distribution is a major issue in our society.

She used a pin to secure the fabric in place.

He has a perpetual smile on his face.

The old mill by the river has been converted into a charming restaurant.

Be careful of the overhead branches.