Mrs. Rice works in a hospital. She has a son. His name is Jim. She often gets home at about 7: 00 p. m. Today is Friday, when she gets home, she finds Jim's things everywhere. His books are on the sofa. His pens are under the table. His notebooks are on the chair. Mrs. Rice is angry. She asks. "Jim

Then Mrs. Rice goes to Jim's room. Jim isn't there. His dog Coco is on the bed. She is surprised to find a card in its mouth.Itsays, "Mom, I did my homework. I went to my friend Sue's home to make hamburgers (汉堡) After reading the card, Mrs. Rice doesn't feel angry. There is a smile (微笑) on her face.