Insert something, anything, nothing, everything

1. My husband taught his son ... he knows. 2. Her patient has a bad memory. She can't remember .... 3. I think there is ... wrong with my watch. 4. We've got ... to eat. We've got only ... to drink. 5. The stu­dent didn't understand ... because she heard ... . 6. Does he know ... about computers? — Yes, he knows ... because he is the best specialist in compu­ter science at Harvard University. 7. He felt terri­ble. He couldn't do ... else. 8. ... is all right, the patient is much better today. 9. Is there ... interest­ing in the programme of the concert? 10. I could see ... : it was quite dark. 11. Give me ... to drink. 12. I didn't take any money with me, so I couldn't buy .... 13. My new eyeglasses are very good, I can see ... now. 14. I saw ... near the wood that looked like a tent.