题目

Last Christmas while staying with my parents, I  21   across some old love letters that my parents wrote to each other. These letters were all pilled up in a basket, dirty and   22  With dust.  23   to read and sort them, I asked them if I could take the letters back to my Illinois home. They agreed. As I carefully opened each letter, all of them delicate with age, I discovered a new page  24  unknown to me in this private chapter of my parents’ lives. My father used to   25   in the army. So his letters were full of frontline  26 of the things about the war. Each of 在下列物质中，主要成分是淀粉的是 [　　] A．鸡蛋 B．西红柿 C．大米 D．黄瓜