完形填空。 Sam is a bus driver in a big city. All day he drives a bus through busy streets. Driving a big bus is a very 1 work. It makes some drivers unhappy. But not Sam! Sam is always happy. And the people who ride in his bus seem to be happy, too. This story shows 2 . Early one morning, Sam started his big green and yellow bus. He went off on 3 work. 'Oh, what a beautiful morning!' he sang. 'What a fine day!' At the first stop, a man was 4 . 'Good morning, Mr James,' said Sam with a big smile. 'How are you?' 'Fine, thank you, Sam,' said Mr. James. 'How are you?' 'Wonderful!' Sam answered. 'Just WONDERFUL, this is a fine day.' Mr. James smiled. He took a seat. As he looked 5 the window, he still smiled. At 6 stop a man came running up. He was puffing. 'I have to puff-catch a train- puff at seven,' he said. 'Can you puff-get me to the station?' 'Now just sit down and rest,' said Sam. 'I'll drive a little 7 . We will be there in time. Then you 8 run again.' 'Thank you,' said the man as he got off the bus. 'You are the best bus drivers in the city!' As he drove on, Sam 9 talking again. By this time, many people were on the bus. They were all going to work. But Sam made the ride seem like fun. 'It is now ten minutes after seven,' Sam called out. 'The sky is blue. It will not rain today. We all like sunshine, don't we?' He began to sing, 'I love you, Mr Sunshine. I love you, Mr. Sun. In all the world I love you best. Your are the only one.' 'What is that song, Sam?' a girl asked. 'It's my song,' he said. 'I made it up. I like to sing. It makes 10 people want to sing, too.' Sam was right! The man behind him started to sing! (     )1. A. easy (     )2. A. what (     )3. A. today's (     )4. A. waiting (     )5. A. into (     )6. A. the first (     )7. A. faster (     )8. A. don't (     )9. A. liked (     )10. A. another B. great B. why B. day's B. talking B. out of B. the last B.  slower B. won't B. started B. the others C. interesting C. when C. the day's C. laughing C. at C. he other C. quicker C. won't have to C. enjoyed C. others D. hard D. who D. riding D. up D. up D. the next D. farther D. have to D. finished D. other