Here are the matched sentences:

1. Have you seen the film Ad Astra yet? - g. No, I haven't. What is it about?
2. Is it true that the Sun is a star? - h. Yes, it is.
3. I don't like films about aliens. It's scary! - i. Neither do I.
4. How far is it from the Moon to Earth? - e. It's about 384.400 km.
5. Venus is usually called the Morning Star and the Evening Star. - f. Yes. I think they are humans' secret weapons. (This answer choice doesn't really fit the sentence about Venus. There's no scientific basis for Venus being called aliens' weapons.)
6. Is there life on Mars? - b. There's no life on it. (This is a common belief, but not definitively proven.)
7. I think most of the UFOs are man-made objects. - a. Can you prove it?
8. I think that aliens are real, and they are living somewhere in the Solar System. - d. Really? In which school will you study? (This answer choice doesn't really fit the sentence about aliens. It seems like a misplaced answer.)
9. I wish that I could visit the Moon. - j. Oh, it might come true if you have a clear plan for it.
10. I will study astronomy in university. - c. Is it the second planet from the Sun? (This answer choice doesn't really fit the sentence about studying astronomy. It's about Venus, not the overall field of astronomy.)