In this task, you need to reverse all words of a given length in the sentence. The number of letters in a word determine its length. For example, the length of the word "apple" is 5.

Example Input: Sentence: 'the bathroom has a toilet a window and a sink'. Reverse all words of length '8' in the given sentence.
Example Output: the moorhtab has a toilet a window and a sink

Example Input: Sentence: 'a plate wit some very tasty looking treats'. Reverse all words of length '6' in the given sentence.
Example Output: a plate wit some very tasty looking staert

Example Input: Sentence: 'a dog sits on a couch and just cant keep his eyes open'. Reverse all words of length '1' in the given sentence.
Example Output:
a dog sits on a couch and just cant keep his eyes open