完形填空。 Three men came to London 1 holidays. They came to a very large hotel(旅馆)and lived in a room on the forty-fifth floor. One day they went to see a film and came back to the hotel very late. 'I'm very 2 ,' said the waiter(服务员)of the hotel, 'But our lift does not work tonight.' One of them said to his two friends, 'We have to walk up to our room. It's very 3 . I think I know how to make it easier. 4 our way to the room, I shall 5 you some jokes(笑话)；then you, John, will sing us 6 songs; then you, Peter, will tell us some 7 stories.' So they began to walk to their room. Tom told them many jokes. John sang some songs. At last they came to the fortieth floor. They were 8 and decided(决定)to have a rest. 'Well,' said Tom, 'Peter, will you tell us a 9 story with a sad end?' 'I shall tell you a sad story.' said Peter. 'It is short but it is 10 . We left our key in the downstairs room just now. What shall we do?' (     )1. A. for (     )2. A. tired (     )3. A. careful (     )4. A. In (     )5. A. tell (     )6. A. a lot (     )7. A. interest (     )8. A. tired (     )9. A. interesting (     )10.A. enough sad B. to B. angry B. difficult B. At B. talk B. much B. interesting B. hungry B. true B. sadly enough C. with C. sorry C. helpful C. By C. speak C. a little C. interested C. happy C. truly C. sad enough D. at D. glad D. early D. On D. say D. some D. sadly D. worried D. easy D. enough sadly