根据短文内容,填写所缺单词或用所给单词的正确形式填空。
It is a special morning in Heihe. The weather 1. (be) foggy now. Look! Many cars are running 2. (slow) on the road, and drivers are turning on their fog lights 3. (see) clearly. Some people 4. (walk) carefully with their heads down, and a girl is holding 5. umbrella even though it isn't raining—just to keep the fog away from her face.
In the park, some old people are doing morning 6. (exercise) slowly now. They don't want to get hurt in the fog, so they choose gentle movements 7. tai chi. A little girl is looking at the 8. (fog) scenery with her parents. She is very 9. (interest) in the white world around her. The weather forecast says the fog will lift soon. And people 10. (have) a sunny afternoon to go out and enjoy the city soon.

1. is
2. slowly
3. to see
4. are walking
5. an
6. exercises
7. like
8. foggy
9. interested
10. will have