mystery

01. All we know is that she got robbed last night, but the rest is just one big [mystery].

02. She received a [mysterious] letter warning her to be careful.

03. Einstein once said that the most beautiful thing we can experience is the [mysterious]. It is the source of all true art and science.

04. H. G. Wells once said that we must not allow the clock and the calendar to blind us to the fact that each moment of life is a miracle and [mystery].

05. Police are investigating the [mysterious] death of a local politician.

06. It is said that God moves in [mysterious] ways, and we shouldn't try to understand our fates.

07. Many ships and planes have disappeared [mysteriously] in the area of the Caribbean known as the Bermuda Triangle.

08. There is a Jewish proverb which observes that one of life's greatest [mysteries] is how the boy who wasn't good enough to marry your daughter can be the father of the smartest grandchild in the world.

09. The Loch Ness monster is one of the great [mysteries] of our time. Does it really exist or is it just a hoax?

10. The identity of the murderer known as Jack the Ripper continues to be a [mystery], although various theories have been proposed, including one which suggests he was a member of the British Royal family.

11. The jaguar is one of the most beautiful and [mysterious] animals found in nature.

12. Tibet is an ancient country that has been a source of [mystery] and wonder for hundreds of years.

13. The origin and the purpose of the famous stone circle of Stonehenge remains a [mystery].

14. In 430 B.C., a [mysterious] illness killed around 65,000 people in Athens, Greece.