Good Riddles

Question: What has thousands of ears but can't hear a thing?

Question: A man was shot while in his car. The person who shot him was outside of the car. However, all the windows were up and the doors locked. There were no holes in the car though.

How was he shot?

Question: What is as ancient as the earth but new every month?

Question: What building has the most stories?

Question: How can you make 7 even?