Question

use to , too, two :she went ....... the bathroom ,turned on the ...........taps and flooded the place .

Answer 1

She went to the bathroom, turned on the two taps and flooded the place :)

Two = a number (two taps)
Too= adverb, means ‘also, as well additionally’
To= preposition, shows direction (go to the bathroom)

Answer 2

She went "to" the bathroom, turned on the "two" taps, and flooded the place.