题目

阅读下面短文，从短文后各题所给的四个选项（A, B, C和D）中，选出可以填入空白处的最佳选项。 It was a Christmas break from school almost 40 years ago. I had spent most of the morning like any boy would, 1outside in the snow and enjoying the sunlight on the 2 day of the year. I liked stepping through the snow, making snowballs to 3 the trees, and watching the smoky breath float (飘) out of my 4. After a while, though, the 5 got to be too much and I went 6. It was warm in the house. I 7 my wet coat and put on my favourite blue sweater. Then I walked into the 解不等式组，并把解集在数轴上表示出来．