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 cat with a santa hat standing on a rug'. Reverse all words of length '8' in the given sentence.
Example Output: a cat with a santa hat gnidnats on a rug

Example Input: Sentence: 'two motorcycles driving on road one making a left hand turn'. Reverse all words of length '7' in the given sentence.
Example Output: two motorcycles gnivird on road one making a left hand turn

Example Input: Sentence: 'a man smiles as he poses with a snowboard'. Reverse all words of length '3' in the given sentence.
Example Output:
a nam smiles as he poses with a snowboard