根据下列句子及所给汉语注释，写出空缺处各单词的正确形式，每空只写一词。
Deng Ziqi is my favorite ______ (歌手) , she’s very popular now.
Every       (硬币) has two sides, so don’t worry about the disadvantages too much.
My       (第九) visit to Guiyang meant a lot to me.
My mom often       (争吵) with dad. It is like a big black cloud hanging over our home.
Jenny likes to play the piano to relax ______ (自己) after doing homework.