完形填空。 Catherine  was a famous writer of children's  stories.  She lived in a fine old house in  a small town near London. Often she worked at home, in her quiet l long before her books became popular, she had tried to teach 2 how to use a computer.  But sometimes she had to 3 to get some books from the library or have a meeting. She didn't like being away because she was worried about robbers. So she was very careful. Just before leaving,  she always put a  full cup of coffee on the writing desk,  and left the radio playing to make a robber think someone 4 at home. One  day  she came back after a day out ,  and  found that  there was something  different in her house. There was only a little 5 left in the cup, and the radio was off. But when she looked at her computer, she saw it was 6   , and someone had typed in a new story. She had no idea who had got in, or how, because none of the doors or windows was broken. Then she sat down to  read the story.  To her surprise, it was a very good one. “I’ll use it in my 7 book”, she said 8 . The next  month she had to go to London.  She  put  a cup of coffee and  a  plate of sandwiches on the desk. When she returned, the coffee and the sandwiches had 9 . She ran to the computer. This time there was only 10 0n the screen.  “IT’S NOT YOUR STORY . IT’S MINE ! ”it said. (     ) 1. A. classes (     ) 2. A. the students (     ) 3. A. leave the house (     ) 4. A. must have (     ) 5. A. water (     ) 6. A. on (     ) 7. A. old (     ) 8. A. carefully (     ) 9. A. brought (     ) 10.A. a piece of paper B. lessons B. herself B. have a rest B. has B. milk B. off B. first B. sadly B. broken B. a message C. classroom C. the robber C. give a message C. must C. coffee C. broken C. every C. happily C. gone C. a new story D. study D. her children D. buy a computer D. must be D. tea D. over D. next D. badly D. eaten D. a letter