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 sealed green bottle with a note in it'. Reverse all words of length '1' in the given sentence.
Example Output: a sealed green bottle with a note in it

Example Input: Sentence: 'the cox is standing behind the fence alone'. Reverse all words of length '2' in the given sentence.
Example Output: the cox si standing behind the fence alone

Example Input: Sentence: 'a motorcycle is by some brown brick steps'. Reverse all words of length '5' in the given sentence.
Example Output:
a motorcycle is by some nworb kcirb spets