Riddles

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Across
  1. 3. A bow it is not of a coat or shirt or soot we love it?
  2. 5. It has one eye but can't see?
  3. 6. A gate from which we can't enter?
Down
  1. 1. A without legs?
  2. 2. How many seconds a have?
  3. 4. You rest on me but I am not a sofa you sit on me but I am not a chair you sleep on me who am I?