—A traffic jam? —Yes. , the right side o...

I’m sorry, but I didn’t mean to keep you _____ here for a long time. Can you forgive me?

John is the boy _____ legs were badly hurt in the accident.

Doctors believe only _____ small number of people _____ in the danger of getting the disease.

_____phoning this number, you can reach me any time you like.

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.