On the way to school, a little boy found a cocoon(茧) of a butterfly and watched it everyday. One day, it started to break through a small hole in the cocoon, but it  26 greatly. Finally, it seemed it couldn’t succeed.
The boy felt  27   for the butterfly because he knew it was going to die if it didn’t get out. So he ran into the house and got a pair of  28   and cut the cocoon a little. The butterfly came out and was free.
The only strange thing was that the butterfly has a swollen(肿胀的) body and dry  29  . The boy kept waiting for the swelling to go down and for the wings to grow, but  30  didn’t. The butterfly crawled（爬）around and unable to  31   and then it died an early death.
Therefore, he learnt that the butterfly was supposed to struggle to get out of the cocoon. In fact, the struggle to get out of the cocoon  32 the fluid(液) out of the body and it its wings.  33 the struggle, the butterfly couldn’t grow, and would   34   fly. By trying to help the butterfly, the boy  35  hurt it.

A．shouted B．struggled C．changed D．waved

A．ashamed B．satisfied C．happy D．sad

A．knives B．trousers C．scissors D．shoes

A．wings B．feather C．stomach D．legs

A．it B．you C．they D．he

A．walk B．fly C．move D．run

A．pulled B．dropped C．pushed D．flowed

A．without B．by C．with D．for

A．seldom B．hardly C．ever D．never

A．actually B．gradually C．slowly D．generally