It is about a program that helps homeless people.中为什么用helps我知道是that 引导的定语从句,但为什么后用helps,that 是做这个定语从句的主语吗

it is said about what is it about it is about doing what time is it now?_________- A.lt is about six B.about six A:How much is it in____mony?B:About 400 yuan It is about a program that helps homeless people. It is about a walk.对划线部分提问 A;_____________________?b:It is about Chinese movies. Take it easy .There is nothing ____.A worry about B to worry about C worried about D worries about, （ ）is it?it is about ten. What is the story about?--- It is a detective story and is _____ a real story. it is not a bad movie ,but there is nothing __[origin] about it what is it about men really?what is it about. It is not about you It is about all the things that affect many,it‘s more than a story about a dog 怎么翻译 what is it about it?qwertyuiop Once a day,is it too often?Tell me!I'm worried about it...