Question

arrange the pieces below to emphasize who/what did the action. do not change the meaning or tense. a famous astronaut teaches mai valentines science class every tuesday during first period.

Explanation:

The original sentence already emphasizes the do - er of the action (the famous astronaut). No rearrangement is needed as it clearly states who is performing the teaching action.

Answer:

A famous astronaut teaches Mai Valentine's science class every Tuesday during first period.