填空 It was a very cold morning. Some children were 1 on the ice. It was snowing 2 but they enjoyed themselves. Mike, the tallest boy, skated fast and he 3 that there was a hole 4 the ice. He 5 into the water. The other children called out loudly for help. 6 at that moment a young worker 7 by and heard them. He put his bike by the side of the river 8 r an to them. When he pulled Mike out of the 9 , he was all wet. Then he sent Mike to a hospital. 10 that the young man hurried to work. (     )1. A. walking (     )2.A. hardly (     )3. A. didn't see (     )4. A. on (     )5. A. jumped (     )6. A. Just (     )7.A. passed (     )8. A. and (     )9. A. ice (     )10 A. before B. skating B. hard B. can't see B. in front of B. felt B. Only B. was passing B. but B. snow B. After C. sitting C. heavy C. not see C. in C. fell C. When C. past C. then C. water C. And