Respuesta :
The correct word to fill in the blank space of the task statement is; Option 3; Either.
Agreement of Noun/Pronoun and Verbs
According to the task content;
- It follows that the given sentence is; -------- of the girls is willing to help me.
Hence, since the verb in the sentence is singular, it follows that the subject of the sentence be singular.
The correct option is therefore; Either as it signifies singular.
Read more on subject-verb agreement;
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