Iam desperate me.
select the sentence that uses a prepositional phrase as an adjective, adverb, participial phrase, and gerund phrase as subject.
christa chose to critique the novel oliver twist.
the main character of this book does not change much.
the student receiving the achievement award should represent his class.
earning money has been a difficult task lately.
choose your words with great care.
my job is leading me to rethink my future plans.

Answers:

1)  "The main character of this book does not change much."  

 {Note:  "of this book" is a  "prepositional phrase".}.

2)  "Choose your words with great care". 

 {Note:  "with great care" is an "adverb phrase".}.

3)  "The student receiving the achievement award should represent his class." 

 {Note: "receiving the achievement award" is a "participle phrase".}.

4)  "Earning money has been a difficult task lately."
  
 {Note:  "Earning money" is a "gerund phrase".} .

Hope this helps!
Best wishes