B. Can you identify formal and informal expressions used in different situations?​

Jawaban:

Formal English expressions are used in formal letters or in situations involving people you do not know very well. The tone is respectful and polite. Informal English expressions are used in everyday conversations and emails exchanged with friends, colleagues or people you know well.

Formal:

How Do You Do?

Informal:

Whats up!

Penjelasan: