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: 'teenagers riding skateboards in a concrete skate park'. Reverse all words of length '1' in the given sentence.
teenagers riding skateboards in a concrete skate park

Sentence: 'an aboveground subway car on a city street'. Reverse all words of length '6' in the given sentence.
an aboveground yawbus car on a city teerts

Sentence: 'a black cat standing on top of a white toilet seat'. Reverse all words of length '1' in the given sentence.

a black cat standing on top of a white toilet seat