Mrs. Black was a famous musician several years ago. She 1 music at a school and her students did well in their lessons. They liked her very much . 2 the old woman stays at home with her husband. The old man looks after his wife well and she is 3 worried about anything. Her students 4 forget their teacher when they win their prizes. She often 5 some presents on her birthday and at Christmas, and she is very 6 . Just like some old people, Mrs. Black finds that her 7 is failing. Sometimes she forgets 8 she did or she will do. It often gets her in 9 . Her 10 has noticed it and asked her to see a famous doctor who lives in the capital. He bought two tickets 11 London and told her to put 12 into her handbag while she was playing the piano. The next morning, when they reached the 13 just in time to catch the plane, Mrs . Black said, “I wish we’d brought the 14 with us.” “Don’t be a fool, dear!” said Mr . Black. “We are not going to hold a concert, but to see a 15 .” “I know,” she said, “ but I’ve left the tickets on it!”