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: 'a bathroom with white toilet and walls and blue accent bars'. Reverse all words of length '5' in the given sentence.
Example Output: a bathroom with etihw toilet and sllaw and blue accent bars

Example Input: Sentence: 'a herd of zebra standing in a forest'. Reverse all words of length '1' in the given sentence.
Example Output: a herd of zebra standing in a forest

Example Input: Sentence: 'an old rusty truck parked in greenery looks like a piece of art'. Reverse all words of length '1' in the given sentence.
Example Output:
an old rusty truck parked in greenery looks like a piece of art