Punctuation Crossword Puzzle

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Across
  1. 4. a mark that shows possession
  2. 5. a mark that separates nouns in a list
  3. 7. a mark at the end of a sentence to show a strong emotion
  4. 8. a mark used when some letters are left out of a word
Down
  1. 1. a mark that you put to end a sentence/statement
  2. 2. a mark used to denote what someone is saying
  3. 3. the first letter in a sentence begins with this
  4. 6. a sentence that asks something