Question

What does he buy .do you know it

Answer 1

The correct sentence is

What does he buy? Do you know it?

Explanation:

• This is an interrogative sentence.
• An interrogative sentence is one in which a question is asked.
• The question mark is placed at the end of such statements.
• All the questions start with w words which are what, who, whom, where, when, how are the "w" words.
• These words are placed at the beginning of a sentence to make a question.