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 large long bus on the side of the street'. Reverse all words of length '6' in the given sentence.
Example Output: a large long bus on the side of the teerts

Example Input: Sentence: 'a crowd of people skiing and enjoying the snow'. Reverse all words of length '4' in the given sentence.
Example Output: a crowd of people skiing and enjoying the wons

Example Input: Sentence: 'a kitchen with a sink toaster and refrigerator'. Reverse all words of length '12' in the given sentence.
Example Output:
a kitchen with a sink toaster and rotaregirfer