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: 'several people on a large court playing tennis'. Reverse all words of length '1' in the given sentence.
Example Output: several people on a large court playing tennis

Example Input: Sentence: 'the skier is doing a flip high in the air near gondala wires'. Reverse all words of length '3' in the given sentence.
Example Output: eht skier is doing a flip high in eht ria near gondala wires

Example Input: Sentence: 'a mother and baby elephant are walking through the brush'. Reverse all words of length '1' in the given sentence.
Example Output:
a mother and baby elephant are walking through the brush