Word families: fill in the blank

Complete each sentence with the correct form of the word in parentheses. Sometimes my parents and I (AGREE) disagree about how much time I spend online. They don't (REAL) realize that it's an easy way for me to chat with my friends. They say that my room is (MESS) messy and I must tidy it first, and then I can chat with my friends. The truth is that today my room is very (TIDY) untidy and I can't find my clothes or my books, so I'm trying to clean it a bit. I really (LIKE) dislike this job! In fact, I hate it! And my little brother isn't very (HELP) helpful either! He's just watching me and laughing.(PERSON) Personally, I think that little brothers must help their big sisters, but he doesn't agree. So, I need to have a (DISCUSS) discussion with him to explain the rules.