Complete the sentences with an appropriate form of the words in parentheses
1. He is a famous...(science)
2. She has many....projects (science)
3. UFOs means.....Flying Objects (identify)
4. It's a right...!(decide)
5. It is said that he saw........saucers(fly)
6. UFOs are jusst the.....of some writers(imagine)
7. He is........in reading picture-book(interest)
8. That's his..........story(mystery)