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: 'a street next to two road blocks and a blurry object'. Reverse all words of length '3' in the given sentence.
a street next to owt road blocks dna a blurry object

Sentence: 'an elephant is in a large field standing in the grass'. Reverse all words of length '1' in the given sentence.
an elephant is in a large field standing in the grass

Sentence: 'a man sits at a barber shop while the barber cuts his hair'. Reverse all words of length '5' in the given sentence.

a man sits at a barber shop elihw the barber cuts his hair