Fill the gaps in the sentences using these key words from the text.

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
   deduce      formula      intrigued      Mystique      Ploys      Purists      Sweetener      ubiquitous      Unease      vault   

1. are ways of tricking or confusing others in order to gain an advantage or make
them do what you want.
2. A is a strongly protected room in a bank where money, gold, etc., is kept.
3. A is a list of the exact amounts of the ingredients needed for making something.
I4. f you feel you are very interested in something and want to know more about it.
5. If you something, you know something as a result of considering the information
or evidence that you have.
6. is an attractive quality that someone or something has because they seem
mysterious and special in an exciting way.
7. is a feeling of being nervous, uncomfortable or unhappy about a
8. is a substance added to food or drink instead of sugar.
9. If something is it can be found everywhere.
10. are people who want others to be correct and follow rules carefully.
11. If you express disdain, you show that someone or something is not important and does
not deserve respect.

are people who want others to be correct and follow rules carefully.
11. If you express disdain, you show that someone or something is not important and does
not deserve respect.