A.) Their
Their sister is happy to babysit, so you mustn't worry about it.
Their is the 3rd person plural adjective. It is used to describe something or someone that belongs to them.
They're is a contraction of "they are" and it is most often followed by a present participle or a verb that ends with -ing.
First-person!
She writes the story's narrative using "I", "Me", and "My".
Need the passage to read to get the answer!!
The more outgoing a person is, the more they’d be willing to be apart of something where there is consistent interaction. If one is more likely to take the lead, they might want to be apart of student government or a sports team. If one is more in touch with their artistic abilities, they may lean towards art, fashion, or music clubs. Hope this helps!