It was early in the morning, and there were few people in the supermarket.A young man was walking 1 the supermarket to pick up a few things when he noticed an old lady following him around. Thinking 2 of it, he continued. Finally, he went to the checkout line, but the old lady got in front of him. "Excuse me," she said, "I ‘’ m sorry 3 my staring at(盯 着 ) you has made you feel uncomfortable. It ‘ s just because you look like my son, whom I haven ‘ t 4 for a long time." "What a pity," replied the young man. "Is there anything I can do for you?" "Yes," she said. "As I ’ m leaving, can you say ‘ goodbye, 5 ’ ? It would make me feel much 6 ." " 7 ," answered the young man. So, when the old woman was leaving, he 8 out, "Goodbye, Mother!" As he stepped up to the checkout, he saw that his total was $127.50. "How can that be?" he asked. "I only 9 a few things!" The clerk replied,"Your mother said that you 10 pay for her." 1.A. through B. along C. down 2.A. anything B. nothing C.something 3.A. if B. unless C. as 4.A. caught B. known C. seen 5.A. Mom B. Grandma C. Aunt 6.A. good B. well C. better 7.A. Sorry B. Sure C. I don ' t know 8.A. called B. handed C. put 9.A. have B. buy C. check 10.A. should B. could C. would