完形填空。 I found a boy sitting down beside me on the seat and watching the cars go past. He had a little book and a pencil. When a car_____ (1), he wrote something in the book. He didn’t take any_____ (2) of buses or vans, but only cars. Of course, it was none of my business, but I still wondered_____ (3) he was writing. I am very interested in jobs that some people have. So after a few minutes I said, 'You’re very interested in the cars. May I ask what you’re writing in your book?' He answered, “I’m writin g_____ (4) the numbers on the cars.' 'Oh I see. Is that your job, or are you just doing it for_____ (5)? When I was your age, I collected train numbers…' He laughed, “I have a better reason_____ (6) that,' He said. “You see, every car has its own number, and each number is different from_____ (7). I discovered the fact five years ago, but it isn’t widely known. Well, I’m thinking of buying a car myself, and my number must be different from all the others,” he smiled then and quickly_____ (8) the number of a passing car. It was 68357. He said, “Can you answer an important question for me?' 'Yes, if I happen to know the answer. Please go ahead.' 'What’s the highest number a car can have in our country?' I thought for a minute and then said, 'I believe it will be 99999. Now new cars have numbers that____ (9) a 6, like that one.' I pointed to the 68357 in his book. He looked thoughtfully. 'I’ve got a long way_____ (10) then, if 99999 will be highest. I’ve got only forty-six thousand numbers so far. I’ve already finished three books and almost this one, but I still can’t find my number yet.' (     )1. A. passed by (     )2. A. looks (     )3. A. that (     )4. A. on (     )5 A. money (     )6. A. to (     )7. A. others (     )8. A. put down (     )9. A. begin with (     )10. A. going B. went up B. lots B. which B. out B. playing B. with B. the others B. put up B. begins with B. walking C. come over C. notice C. who C. down C. practice C. of C. all others C. put off C. beginning  with C. to go D. went away D. care D. what D. in D. fun D. than D. each other D. put on D. begun with D. of going