Gap Fill - Thinking - Level 0


  • Choose the correct word from the drop-down menus below.
  • Click the button at the bottom to check your answers.
  • Press the "refresh" button on your browser to play again.
  • After this paragraph, go to Paragraph 2.

   chemical      long      lot      nap      normal      thinking      this      tired      totally      we  

Paragraph 1

Why does make us tired? Researchers looked into . When we think a , our brain releases a . It tells us that must rest. People who spend a time thinking will feel . Resting helps the brain to return to . A 20-minute power can make us feel refreshed.

Now go to   Paragraph 2.

Back to the thinking lesson.

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