… Will you go to the meeting for their discussion? … No, ______ invitedI don’t feel like getting involved in their business

Help others whenever you can _______ youwill make the world a nicer place to live in.

Can you ______ the fact that we are already senior high school students?

下列各组句子中加横线的字意思相同的一组是（ ）

interesting subjects they are !