1)
A: I've got a cut.
B: Why don't you put a plaster on it?
A: I've got toothache.
B: I think you should see the dentist.
2)
1 I don't feel well
2 Why don't you put some ice on it?
3)
2 bad
3 I've
4 should
5 right
6 Why
7 idea
4)
2 don't you put ice
3 I think you should put ... on them
