??? Idioms: Buy and Sell

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1. Our glasses are empty! Come on, John, it's your turn to buy a ! Fork out!

2. The journalist was keen to publicise his findings about corruption, but he suddenly stopped. Someone must have bought him .

3. Why have you no confidence in yourself? You're very clever, so don't sell yourself .

4. We trusted Mary, but she took advantage of the situation and sold us the river.

5. All those old artists' prints you advertised on the Internet are selling like hot !

6. He's got no money, so by telling us that his cheque has been lost in the post he's just buying !