Answer:
A topic sentence for what? like, "It's important to know how to defend yourself in dangerous situations" kind of topic sentence or "a knife to the throat is the best way to kill someone" kind of topic sentence. I just need some more details.
The preposition in this sentence is
week right
B because he knows he can see something when he is almost home
Answer:
I have not encountered a wise person but I would recognise him /her as a wise person if he/she would always speak the truth.
Put a comma after yes, and remove the comma after Colorado.