Final answer:
The correct pair of personal pronouns to fill the blanks is Tu/elles.
Step-by-step explanation:
The correct pair of personal pronouns to fill the blanks is Tu/elles.
This is because, in French, the pronoun 'tu' is used for the second person singular, while 'elles' is used for the third person plural feminine.
So the correct sentence would be 'Tu es italienne et elles sont italiennes.'
Learn more about French pronouns