Complete the following passage by filling in each blank with one word that best fits the context.
I have a problem, and I need your help. I always thought I was popular school.   just now I fount out my friends didn’t invite  to their party. Everyone else in my class     invited except me, and I don’t know    . I can’t think   I did wrong. I’m very upset, and don’t know how to deal it? What do you think? Can you me?