Can you please help me with correct choice for the below question:

What is the correct passive construction of the sentence:

"Auctioneers will sell the painting at auction"

1) The painting would be sold at auction
2) The painting will be sold at auction
3) The painting will be selling at auction
4)The painting will be sold by the auctioneers at auction

Thanks in Advance
First, hat is your choice, please?
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I think - the answer should be 4) however in one reference book - it was provided as 2) which creates a doubt
The repetition of auctioneers/auction makes the active sentence sound silly. Emotion: stick out tongue
A silly but correct passive version is #4.

#2 is the best answer.

Answer- (2)- The painting will be sold at auction.

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