IV. Put the articles (a/an, the, - ) where necessary:
Last year 1) the Smiths went on 2) - holiday to 3) - London with their 4) - friends 5) the Browns. Trey visited 6) - Hyde Park and went on 7) a boat trip on 8) the Thames. 9) - Mrs Brown visited 10) - Buckingham Palace hoping to see 11) the Queen. Unfortunately 12) - Queen.Elizabeth II wasn't at 13) - home at that time.
