Good Riddles

Question: Insects have been disappearing for the past month. You are in a lab studying why and how this is happening, but the main door closes and you are locked inside. There are three doors in front of you that lead to freedom. Door 1: Hungry eating plants Door 2: Blood-thirsty vampires Door 3: Coldwater which you would get hypothermia quickly. Which door would you choose?

Question: Time time

Question: What does a clock do when it's hungry?

Question: What is gray, has four legs, a tail, and a trunk?

Question: How did the farmer mend his pants?