For the introduction introduced the play, bring up the meaning of betrayal and mention that Julius was betrayed. But don't explain it all there, you can go more into detail about that stuff in the following paragraphs. For the concluding paragraph you can briefly summarize what you had written, but don't bring up any new information at all.
This isn't enough to avoid plagiarism because you listing your cites might help your teacher know where you found your information, but you still may have copied from the source.
Answer:
Too big, look terrible. The author is negative
Explanation:
One is that when Gregor dies, his family members begin new lives as they all have careers. His farther is now energized and Cete can get married now too.