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 street filled with traffic and a very long bus'. Reverse all words of length '4' in the given sentence.
Example Output: a street filled htiw traffic and a yrev gnol bus

Example Input: Sentence: 'black and silver fire hydrant sitting next to a road'. Reverse all words of length '7' in the given sentence.
Example Output: black and silver fire tnardyh gnittis next to a road

Example Input: Sentence: 'a baseball game shows a player sliding onto the base and another holding his glove'. Reverse all words of length '8' in the given sentence.
Example Output:
a llabesab game shows a player sliding onto the base and another holding his glove