Final answer:
The correct pronoun to fill in the blank is 'They.'
Explanation:
They best fits in the blank as the correct pronoun to complete the sentence 'wanted to do my homework alone.'
For example, you could use this sentence to show the pronoun in the objective case: 'I wanted to do my homework alone, so they left me to work independently.'
Learn more about Pronouns here:
https://brainly.com/question/30510319
