问题补充：
It was snowing heavy on Monday morning. Li Hua was at 1.
the bus stop, waited for Bus No.601 to go to school. After a 2.
while a bus came and she got on it. There had many passengers 3.
in the bus. Some were talking and some were looking out the 4.
windows. Suddenly the bus stopped. A driver turned around 5.
and said“Sorry. The bus has been broken down. Please get off 6.
and help push the bus.”When he heard this, Li Hua and the other 7.
passengers got off the bus. They worked hardly together, pushing 8.
the bus slowly forward. Soon the bus was running again. All 9.
the passengers were smiling but the sun was shining. 10.1. heavy 改为 heavily
答案：
(答案→)1. heavy 改为 heavily
解析：
1. 这里修饰前面的snow ，它是动词“下雪”的意思，所以用副词
2. 这里用 动名词做伴随状语
3. 这里是there be 结构
4. look out of the windows“ 向窗外望”
5. 这里特指这个公共汽车上的司机
6. been这里多余
7. 这里指代 李华和其他的乘客
8. hard 本身就是副词
9. 正确
10. 不是转折，所以应该为and
