To complete the sentence, we have:
In his closing remarks, the Stage Manager says that only this planet is ". . . straining away all the time to make something of itself"
This sentence is seen in "Our Town".
About Our Town
"Our Town" is known to be a play by Thornton Wilder. It took place in the small village of Grover's Corners. The play is known to Wilder's most renowned play.
The play shares the lesson that many of us live lives without what life actually has to offer.
The line of quote was taken from "Our Town" play.
Learn more about Our Town on https://brainly.com/question/10224613
