I saw a flock of sheep on the top of the mountain.

He was singing to himself alone in the room.

Unable to bear the pain, he had no choice but to scream.

This area used to be a place where people gathered.

I bought a new costume for Halloween.

The house over there is very big.

In the old days, people used to consider milk as an important source of nutrition.

The Earth is our home.

Tom was proud of his knowledge and wisdom.

My father is a doctor.