5. My dad doesn't think there is life on the moon
6. James wanted to know how many craters the moon had.
7. Lam asked the scientist what he used the telescope for.
8. Kim and Sue wondered why humans could not live on the sun.
9. The children think that one day Earth might be attacked by aliens.
10. She was not sure whether or not the object in the garden was a UFO.
Đây ạa