Answer:
1. “To me, who knew his every mood and habit, his attitude and manner told their own story. He was at work again.” (paragraph 1)
2. Pacing means to repeatedly walk back and forth.
That Holmes is deep in thought.
3. It helps the reader understand how Watson feels about Holmes.
4. As I passed the well-remembered door, which must always be associated in my mind with our connection, and with the dark incidents of the Study in Scarlet, I was seized with a keen desire to see Holmes again, and to know how he was employing his extraordinary powers.
5. He is inquisitive by nature.
6. “When I hear you give your reasons,” I remarked, “the thing always appears to me to be so ridiculously simple that I could easily do it myself, though at each successive instance of your reasoning I am baffled until you explain your process.
And yet I believe that my eyes are as good as yours.”
7. He means people do not pay attention to small details.
8. “To me, who knew his every mood and habit, his attitude and manner told their own story. He was at work again.”
“He had risen out of his delusions and was hot upon the scent of some new problem.”
9. Holmes uses small details to draw conclusions about people.
10. by Holmes listing all the details of how he knew so much about Watson
That's all I can do I hope this is helpful.
Explanation: