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.

Sentence: 'he is a serious baseball player and is ready for the pitch'. Reverse all words of length '5' in the given sentence.
he is a serious baseball player and is ydaer for the hctip

Sentence: 'there is an entree on a place with spoon'. Reverse all words of length '6' in the given sentence.
there is an eertne on a place with spoon

Sentence: 'a couple of zebras meander about through a dry field on top of a small hill'. Reverse all words of length '1' in the given sentence.

a couple of zebras meander about through a dry field on top of a small hill