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: 'an orange and white bus driving down a city street'. Reverse all words of length '1' in the given sentence.
Example Output: an orange and white bus driving down a city street

Example Input: Sentence: 'a group of motorcycles parked in front of a truck'. Reverse all words of length '11' in the given sentence.
Example Output: a group of selcycrotom parked in front of a truck

Example Input: Sentence: 'a couple of giraffes are standing near some trees'. Reverse all words of length '1' in the given sentence.
Example Output:
a couple of giraffes are standing near some trees