Fill in the gaps with the following words. There are more words than you need.
guess easy address difficult kind of name noticed violin famous explaining modern.
221B Baker Street, London. You have heard this ... before, haven't you? Yes, this is the place where the ... detective Sherlock Holmes lived. Do you remember what ... man he was? He was very clever, always ... small details and then used them to ... what had happened. He smoked a pipe and played the ... in his free time. He always said, ''Elementary, dear Watson'' when he was ... to his friend how ... it was to understand something.