Answer:
1. She devoted all her life to science.
2. Please listen carefully to what I have to say.
Explanation:
Define....
About: "On the subject of; concerning."
To: "Expressing motion in the direction of (a particular location). Approaching or reaching (a particular condition)."
With: "Accompanied by (another person or thing).
Of: "Expressing the relationship between a part and a whole. Expressing the relationship between a scale or measure and a value."
Sources: G00gle Dictionary
Hope this helps! :)
