把下列句子变成反意疑问句。
1. We can't wait for them any longer, __________?
2. The weather here isn't very old, __________?
3. There is a tree in front of the building, _________?
4. Your brother doesn't enjoy playing football, __________?
5. This Saturday is Children's Day, __________?
6. Jim had his lunch at the factory, __________?
7. Ann and her parents live in the country, __________?