If "it" refers to a specific thing:
* "It greatly affected your daily duties around the house." This is the most common and grammatically correct option, adding the article "the" before "house".
If "it" refers to a general situation or event:
* "This greatly affected your daily duties around the house." Replacing "it" with "this" clarifies the reference.
* "This situation greatly affected your daily duties around the house." Adding the word "situation" further clarifies the meaning.
If "it" refers to a specific person or action:
* "That greatly affected your daily duties around the house." Replacing "it" with "that" clarifies the reference.
* "The illness greatly affected your daily duties around the house." Replacing "it" with a specific noun clarifies the meaning.
It's important to choose the option that most accurately conveys your intended meaning and provides clear context for the reader.