15．请你根据所听的内容，在每小题给出的三个选项中，选出一个能完成句子的最佳答案，并在答题卷上将对应题目的最佳选项的字母编号涂黑．短文听两遍．
16．Jack's school work was略．
A．poor B．good C．excellent
17．Jack usually hurried to school in the morning because he often略 at night．
A．studied lessons late B．had a good sleep
C．watched cartoons or sports games for a long time．
18．Jack's mother tried to make him略．
A．work harder B．watch cartoons C．sleep in class
19．Jack got a hundred in略．
A．reading B．spelling C．reading and spelling
20．From the story，we can know略．
A．Jack got ten dollars at last．B．Jack's mother was not happy at his words．
C．Jack was good at reading and spelling．
