Daming: Hi, Tony. What are you up to?
Tony: Hi, Daming. I've just made a model spaceship for our school project.
Daming: I'm not sure how to make it. ?
Tony: Sure, no problem. Have you heard the news? Scientists have sent a spaceship to Mars.
Daming: yet?
Tony: Yes, it has arrived already. That's why it's on the news.
Daming: Are there any astronauts in the spaceship?
Tony: .
Daming: Why not? Astronauts have already been to the moon.
Tony: Yes, but no one has been to Mars yet. Lots of scientists are working hard in order to send astronauts to Mars one day.
Daming: That's interesting! information on space travel?
Tony: You can go online to search for information.
Daming: I will. , Tony.
