Measles Lesson
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Step 4: Introduction Checkpoint
Progress: checking...
Were you paying attention? Answer the questions. Check your answers. Retry if you need to!
Progress: checking...
Were you paying attention? Answer the questions. Check your answers. Retry if you need to!
Tips
and go through it step by step.
, but phone 
is an option too.
. You might have to use headphones. 
– they’ll help with the final quiz.
of the final screen and share it with your teacher.
incomplete.