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 keyboard a mouse a monitor and a brown table'. Reverse all words of length '3' in the given sentence.
Example Output: a keyboard a mouse a monitor dna a brown table

Example Input: Sentence: 'a large elephant standing in the wild'. Reverse all words of length '5' in the given sentence.
Example Output: a egral elephant standing in the wild

Example Input: Sentence: 'two giraffe are walking across a field in nature'. Reverse all words of length '1' in the given sentence.
Example Output:
two giraffe are walking across a field in nature