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: 'this goat is standing near a wire fence'. Reverse all words of length '5' in the given sentence.
Example Output: this goat is standing near a wire ecnef

Example Input: Sentence: 'a man holding a device in both of his hand'. Reverse all words of length '7' in the given sentence.
Example Output: a man gnidloh a device in both of his hand

Example Input: Sentence: 'a double parking meter sitting by the road'. Reverse all words of length '6' in the given sentence.
Example Output:
a elbuod parking meter sitting by the road