Find the stage directions in the following sentences.
1. HIGGINS: (with the roar of a wounded lion) Stop. Listen to this, Pickering.
2. ELIZA: (weeping) I ca-a-an't hear no difference.
3.SAMUEL: (taking a writing-pad out of his pocket) I would like to put this down.
4. MARY: Why not ask him now? (Goes to the telephone) What's his number?