Fill in the blanks with the Adverb from the words given below -

He has been writing poems _________ well for last ten years.

Remarkably

The correct answer is Option (3) - Remarkably

The complete sentence would read: "He has been writing poems remarkably well for the last ten years."

• "Remarkably" is the adverb form of "remarkable," which means in a way that is worthy of notice or exceptional, fitting well in the context of the sentence.