Fill in the gaps with the suitable idioms.

1. It's no use ... — he's spent all the money, and there's nothing you can do about it.
2. Thanks for inviting me, but ballet isn't really ... .
3. So, who ... about her affair with David?
4. You have to ... , because she tends to lie.
5. We’ll all be there at 6 for the surprise party — now ... !
6. The test was ... .