The sentences in the passage that contains misspelled words are sentences number 4 and number 5. The word misspelled in number 4 sentence is "adolescant". The correct spelling for this word should be "adolescent". And in number 5, the misspelled word is the word "summers". The correct term that is appropriate in the sentence would be "summer" only.
The antecedent is "house" as Carla is calling the house old and in need of a lot of work rather than herself.
