Ответ:

May: 1 b) Hi, Auntie Sue.

May: And this is Nancy. 2 a) She’s my best friend at school.

Auntie Sue: Hello, Nancy. 3 c) Nice to meet you.

Nancy: Hello, Mrs Smith. 4 d) Nice to meet you too.

Ответ: 1 — b; 2 — a; 3 — c; 4 — d.