Answer:
What has 3 feet but cannot walk?
Put into a pit, locked beneath a grate, guarded through the night, yet it still goes out.
What English word has three consecutive double letters?
Hold these between your knees if you want to set a Cuban beat.
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.
People take me on walks and I run and have fun. What am I?