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 delicious plate of churro with chocolate sauce'. Reverse all words of length '9' in the given sentence.
Example Output: a suoiciled plate of churro with etalocohc sauce

Example Input: Sentence: 'an assortment of chinese dinner options are arranged'. Reverse all words of length '8' in the given sentence.
Example Output: an assortment of chinese dinner options are degnarra

Example Input: Sentence: 'a large pizza that is on a pan'. Reverse all words of length '5' in the given sentence.
Example Output:
a egral azzip that is on a pan