Please listen carefully to his story.

I doubted what I heard when he spoke.

The police arrested the unauthorized entrant.

The National Research and Development Agency plays a crucial role in advancing science and technology.

Please leave a message on the message board.

Could you tell me your telephone number?

What is your favorite television program?

He carried out the real thing without any rehearsal.

We have installed a new standing signboard.

His room was like a chaos.