Final answer:
The pronoun 'They' best fits in the blank of the sentence provided.
Explanation:
They best fits in the blank.
When choosing the pronoun to complete the sentence 'wanted to do my homework alone,' 'They' fits because it matches the subject pronoun in the sentence.
Understanding the objective case pronouns like 'They' helps in forming grammatically correct sentences.
Learn more about Pronouns and sentence completion here:
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