Think of words ending in -gry. Angry and hungry are two of them. There are only three words in the English language. The word is something that everybody uses everyday. If you have listened carefully, I've already told you what it is.
Answers are below.
It was a polar bear. First, borrow a sheep from the neighboor to get 18 sheep total. There's only 1 sheep left. Give that one back to the neighboor. There were only two errors in the sentence.