1. (2020七下·扶风期末) 阅读下面短文，按照句子结构的语法性和上下文连贯的要求，从各小题选项中选出一个最佳答案，使短文连贯完整。

    There is a school in the mountains. One day, it1heavily. The students there are very happy2they can make snowmen in the playground. But 3teachers are very worried. The final test4coming tomorrow. But the papers (试卷) are still in town.

    There is a lot of snow on the roads (路) so cars5get to town. To let the students 6the test on time, the teachers walk out of the mountains. They walk to town to get the papers.

    It is five kilometers7their school to town. It takes them two hours8to town. At last, they bring the papers back.

    Later，many people know9story. They are very touched (感动的).

"It's not an easy thing. The teachers are10 great! "they said.