This anything ___________(worry)about.按适当形式填空还要说明为什么是这个答案(填一个单词)

This anything ___________(worry)about.
按适当形式填空
还要说明为什么是这个答案(填一个单词)

worries
我觉得是个倒装句,正常的语序是 anything worries about this.