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 man with a tennis racket gets ready to hit a ball'. Reverse all words of length '5' in the given sentence.
Example Output: a man with a tennis racket gets ydaer to hit a ball

Example Input: Sentence: 'a large red truck on a city street'. Reverse all words of length '4' in the given sentence.
Example Output: a large red truck on a ytic street

Example Input: Sentence: 'a snowboarder is getting ready to shred the gnar'. Reverse all words of length '4' in the given sentence.
Example Output:
a snowboarder is getting ready to shred the rang