Good Riddles

Question: What's green & yellow & red all over

Question: What is a cat's favourite colour?

Question: What has 4 legs but cannot walk 2 eyes and can see. 2 ears that can hear better than yours.

Question: What arrives at the end and can occur several times a day, once every month, or last millions of years?

Question: You're in a VERY dark room. You enter it, and immediately everything you see dissolves into darkness... But suddenly, you see the faintest red light. You COMPLETELY close and cover an eye, but You can still see the red light. How is this possible?