改正下面短文中的错误。对标有题号的每一行作出判断:如无错误,在答题卡该行右边横线上画一个勾(√),请在有错误的地方增加、删除或修改某个单词。
注意:1.每处错误及其修改均仅限一词;
2.原行没有错的不要改。
Last Sunday morning when I got up, to me great surprise, 1.___________
I found that we had a big snowfall. I was very excited because 2.___________
it was a long time that I had ever seen such a heavy snowfall. 3.___________
So I decided to call my friends to go out to play snow together. 4.___________
We made up some snowmen and rolled some snowballs 5.___________
and we enjoyed the fun of playing fighting games. Just then 6.___________
we noticed that the buses and cars move very slowly 7.___________
because the heavy snow. So we went to clean the snow so as to 8.___________
help the traffic go safely. After the all morning’s hard work, 9.___________
we cleaned the snows on the road, and we went home happily. 10.___________