题目

When I was nine, my family and some friends took a trip. During the trip some members of the group felt  26  , so we stopped at a small stand. Everyone lined up to buy their food.   27, after I finished eating, I was still a little hungry and wanted some 28. Soon I was sure my parents wouldn’t 29  me any candy. I have to think of a plan, I thought. Then an old lady 30 to buy something she wanted, and would have to get back in line. I knew what I could do. So I rushed to her and volunteered my 31. She 32 and gave me a $20 bill to get some chips.      When I reached the stan— How do you often go to work? —I ________go to work by car. But now on foot.A. used to              B. am used to              C. am used for