In the provided text, the punctuation mark that tells the reader to end the sentence with a higher tone of voice is an exclamation point. Exclamation points are used to convey strong emotions or excitement, prompting the reader to adopt an elevated tone when reading the sentence.
Here’s how it applies to the quoted text:
- Mrs. Hutchinson's line: "Make them take their chance!" The exclamation point at the end signals that this statement should be read with enthusiasm or urgency.