完形填空。 Mr. Green works in an office in Chicago. 1 Saturday, he went to the office to do some work. When he got on the elevator, it stopped between the 2 . Mr. Green could not get out of the elevator. He started to 3 , but no one 4 him. Then Mr. Green remembered that it was a holiday in America. No one was going to come to work 5 Tuesday. There was 6 for him to do. He had to wait. With nothing to eat 7 drink, Mr. Green slept for most of the time. Early Tuesday morning, his 8 came to work and found the elevator was not working. When the elevator was 9 , Mr. Green came out. He was cold, weak, and tired. He had been in the elevator for about sixty-four 10 ! Now Mr. Green says, 'I will only use elevators if they have a telephone in them.' (     )1. A. On (     )2. A. buildings (     )3. A. speak (     )4. A. saw (     )5. A. until (     )6. A. something (     )7. A. and (     )8. A. wife (     )9. A. closed (     )10. A. hours B. One B. rooms B. say B.  heard B. on B. nothing B. for B. teachers B. opened B. days C. All C.  floors C. shout C. came C. by C. everything C. or C. workmates C. clean C. minutes