Good Riddles

Question: A king and I queen wanted to have a private party with only people that they knew. They decided to make a password to get into the part. On the day of the party a man who wasn't invited wanted to get into the party so he paid attention to what the people with the passwords were saying. Guard: cow Person: farm *next person* Guard: wolf Person: woods *next person* Guard: fish Person: water The intruder thought he had the password so when the guard said... Guard: bird Intruder: tree He was thrown out of the party, why? What could have he used for the password?

Question: There is a.. Cat Bird Snake Monkey Buffalo Kangaroo ? What could be next??

Question: What wears a black suit and watches while stalking?

Question: You were asked to label the light switches for your company. You are in a room, with unlabeled light switches. There are 3 of them, and there are 3 lightbulbs in the next room. You can not travel back and forth. How do you successfully label the lightbulbs???

Question: I am important at the most dangerous times. I can not be seen, heard, or smelled. If you use me too much you would fatally die. What am I?