C creak the door screeched.
<span>the exposition is the idea or theory behind the book so "whats the book about"
a rising action is a series of events that build up to the climax so
example" he looked and looked for his dog.. but then he found his collar"
the climax is the turning point in his story
example" he found the dogs collar and tracks"
the falling action would be a conflict that unravels with the main character " the dog"
example would be like " he finally found the dog, "why did you leave spot"asked the boy
" cause you said you would get rid of him" said the tramp
the resolution would be the end of the story
"I am sorry spot" said the boy "i will never get rid of you"</span>
Since astute means someone is very sharp and perceptive, I would say astute has a positive connotation.
Hope this helps! :)
The answer is:
Worked hard to take care of their patients.
An introduction comes at the beginning and introduces the subject. While a conclusion comes at the end and concludes the subject. I hope this helps.