―What should I do with this passage―____ the main idea of each paragraph.

Do you think it _____ to argue with them?— The question is not worthy _____.

I found that the homework was ______ I used to get in my old school

Look! There is ________ cat inthe tree.

Look， here comes Cindy! She is always full of _____________.—____________. Because she takes a lot of exercises every day.