Which choice completes the text so that it conforms to the conventions of Standard English?
Understand the Problem
The question asks which option grammatically completes the sentence about President Theodore Roosevelt's actions after a trip led by John Muir, focusing on his vow to conserve wilderness areas.
Answer
vowed
The final answer is 'vowed'.
Answer for screen readers
The final answer is 'vowed'.
More Information
The context implies a past action where Roosevelt made a promise, so the past tense 'vowed' accurately aligns with the narrative.
Tips
A common mistake is not maintaining tense consistency throughout the passage.
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