Fill in:

1. Some teenagers found strange ...
in the sand that didn't look human.
2. Ben thought he saw a flying ... hovering over the city.
3. Scientists performed a\(n\) ... to look inside the strange creature.
4. Danny is a ... who does not believe UFOs exist.
5. Army officials are investigating the ... of a plane crash.
6. There have been many UFO ... around Roswell.
7. One ... claimed that she saw strange lights in the sky.