Question

that girl is my sister ( here that is adjective, verb , pronoun)​

Answer 1

Answer:

That is a determiner

Explanation:

Here That indicates about the Noun. so probably That is Adjective. But the precise answer is determiner

Answer 2

$\huge\bold\green{꧁}$$\sf\pink{\fbox{\sf{MsDiplomatic}}}$$\huge\bold\green{꧂}$

⏩ That → Pronoun

$\huge\bold\green{꧁}$$\sf\pink{\fbox{\sf{MsDiplomatic}}}$$\huge\bold\green{꧂}$