Question

what was (that/this) noise ​

Answer 1

Answer:

That

is your answer

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Answer 2

Explanation:

Question:-

What was (that/this) noise ?

Answer:-

What was that noise ?

Reason:-

That is a demonstrative pronoun and a verb which is used everywhere to recognise a different and specific kind of thing depending on it's position (near or far). Here,that is used to indicate a strange sound that is being heard by the speaker at a very far distance.

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