He always has an optimistic attitude.

She suddenly had a fit of hysteria.

He is writing a thesis on celestial mechanics.

The government decided to crack down on illegal activities.

I want to go to Thessaloniki in Greece.

He reads five books every day.

He retracted his previous remarks.

What is the distance between Tokyo and Okinawa?

He shot an arrow at the target.

He built a new fence in the garden.