There are a lot of pebbles scattered on this riverbank.

He is working hard for the development of Asia.

My younger sister works part-time as a babysitter on weekends.

He is working as an adviser for our project.

There is always doubt in his words.

I deeply doubted his words.

The cat's tail is long and very beautiful.

Michie is my best friend.

He looked up at the empty space.

I heard a sharp sound.