A man found the cocoon ( 茧 ) of a butterfly. One day a small ____1_____ appeared. He sat and watched the butterfly for several hours as it ___2___ to force its body through that little hole. Then it seemed to stop making any ___3____. It appeared as if it had gotten as far as it could, and it could go no further.
So the man decided to ___4___ the butterfly. He took a pair of scissors and cut off the remaining bit of the cocoon.
