The Genitive Case
Paraphrase the following set-phrases.
1. He was at his wit's end what to say.
2. There at last we could talk to our hearts' content.
3. For Goodness' sake, try to keep out of harm's way.
4. Don't try to go into any debate with him: he always has all the arguments at his fingers' ends.
5. The lion was now (within) a stone's throw from us.