Breaking News English
Help This Site
A zeptosecond - the shortest unit of time ever measured - Level 0
HOW TO PLAY
Listen and type what you hear in the "Guess" box.
Press "Check" - Correct words will replace the stars.
Keep going until you have all of the text.
Your browser does not support this audio player.
Your score is:
for the whole text.
to a friend
See a sample