那个男孩想干什么?Why does the boy think that?
       阅读题：                                        Boy's Viewpoint(观点）   A boy is thinking about a picture in a newspaper.It shows a group of happy children carrying big school-bags with the words at the bottom( 底部)"OnTheir Way To School".   "It must be wrong,I bet.They must be  On their way home after school.I'm sure of this."the boy says.  Think :Why does the boy think that?