题目

三、阅读下面短文，撑握其大意，然后从16—35各题所给的四个选项（A、B、C和D）中，选出最佳选项。（每小题1分，满分20分） The books in David’s schoolbag felt like bricks as he ran down the street. What he wanted to do was to play basketball with Eric,  31  his mother told him he would have to return his sister’s books to the library first. He had  32   set foot in a library and he wasn’t about to do so today. He would just  33_ the books in the outside return box. But there was a  34  ; it was locked. He went into the building, only a计算：－14－×〔3－（－3）2〕×（－2）