Oxygen!
Your muscles need the oxygen to preform well!
Hope this helps! : )
What sentence???
Since there's nothing, i can't answer it. Sorry!
1) Vastness
2) Feebly
3) Dilemma
4) Persistant
5) Roused
6) Summon
7) Skewed
8) Recoiled
Now that you know the definitions you should be able to write the sentences.