Question

punctuation 1.who is your best friend

Answer 1

Hey mate!!!

Punctuation common rules.
First word is capital.
Noun is capital.
Sentence ends with full stop, Question mark, exclamation mark, depending on the type.
Use of punctuation symbols ( , ! ? " ' ) in correct way.

Here we are asking question so the sentence will end with( ?)
so your answer is

Who is your best friend?

Hope it helps dear friend ☺️✌️✌️

Answer 2

Who is your best friend?

Hope ... It will be helpful to you friend!!
Plz mark it as brainliest