This is a test: which word in this sentence is misspelled?

  (Comma after the word “British”.  It is the last word of the clause, and a new clause begins with the word “my”, so the two clauses must be separated by a comma.)

  Thank you, Malizz.
  ~

  Welby, Welby, Welby. There are many types of sentences, an interrogative sentence is one of them, it’s also known as a question. 
~

  Yes, he deleted his reply. I do that with my own posts sometimes.
~

By whom, and for what? Certainly not by me.
~

  Well, that’s not entirely accurate. I don’t even have hiring and firing authority, and all I did was to inform him that he wasn’t eligible to answer the test question due to being a sworn officer. 
~