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: 'numerous individuals are appreciating life and having an incredible time'. Reverse all words of length '11' in the given sentence.
Example Output: numerous slaudividni are appreciating life and having an incredible time

Example Input: Sentence: 'three people in a dog carrying items walking along the beach'. Reverse all words of length '7' in the given sentence.
Example Output: three people in a dog carrying items gniklaw along the beach

Example Input: Sentence: 'this woman is returning a served tennis ball'. Reverse all words of length '4' in the given sentence.
Example Output:
siht woman is returning a served tennis llab