In this task, you need to remove 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 large airplane flies in blue skies over some pretty trees'. Remove all words of length '6' in the given sentence.
Example Output: a large airplane flies in blue skies over some trees

Example Input: Sentence: 'kitchen counter featuring stove top and container of cooking tools'. Remove all words of length '9' in the given sentence.
Example Output: kitchen counter stove top and of cooking tools

Example Input: Sentence: 'a vase with different kinds of flowers in it'. Remove all words of length '9' in the given sentence.
Example Output:
a vase with kinds of flowers in it