Exercise condition:

4
1. The title signifies that the speaker considers it a __________ as to how the fan works.
   
 
2. The fan's sound is not just a slow conversation, rather it is __________.
    
 
3. The speaker talks about how __________ eliminate the little mysteries and fun in the world.
   
 
4. The speaker says that the fan ran very smoothly as __________.
   
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