Put in some, the, a where necessary
6. The waitress put ... salad into each plate. 7. When did ... lesson begin? 8. Children must go to ..school. 9. Pass me 10. Do you like .. cucumbers? 11. We bought ... cucumbers at .. market. 12. We use pencils or ... pens when we write. 13. He was reading. 14. Give me ... water to drink, please. 15. At what time will .. meeting begin? 16. Do piece of ... bread, please. ... book when I came into room. find ... English difficult? you 17. I got letter from my brother yesterday. 18. I had bread and ... butter and ... egg for ... breakfast this morning.