Where were you when your mother called? 24. When

did you eat your breakfast? I ate mine early. 25. He used to live in this city. 26. When did you observe that man in the woods? 27. I was placing the pencils in my pocket when something struck my hat. 28. She ought to wipe the dishes this morning. 29. The men used to walk in the fields. 30. Did my father build that woman's house ?

(d) 31. We used to travel in those countries before the war. 32. How much did Mary 's father pay for this house ? 33. When I was in the country I smoked a great deal. 34. I didn't eat my supper last evening because I was too sick. 35. I used to walk to school every day when I lived in the country.