Question

I have just brought a new book (of /by /through) Ronald gupta
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Answer 1

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I have just brought a new book BY Ronald gupta.

Answer 2

Answer:

of

Explanation:

full sentence : I have just brought a new book of Ronald gupta.

I have just brought a new book by Ronald gupta.

I have just brought a new book through Ronald gupta.

because both the words suits it and make a sense.

Mark as brainlist (ᵔᴥᵔ)