在计算有余数的除法里，余数一定要比除数______．

     From Monday    1    Friday, American students usually get up at seven. Then they wash their faces and    2   .
They usually have eggs, bread, fruit and a glass of milk. After breakfast, they    3    on footor by school bus. Some
students ride bikes to school. They get to school    4    eightthirty. Then they put their backpacks in their lockers
and    5   . Only one book, a table and a pencil to each class. In middle school, students have classes for six    6   .
Their classes are usually English writing, math, history,    7   , P. E. and art.
        8    students have lunch at school. They usually have meat, vegetables, fruit, bread and drink.    9    most
students like pizza, hot dogs and hamburgers better. Students    10    have a short sleep. They go back to have
classes after lunch until three o'clock. Then they    11   .
     Students usually play    12    sports or watch TV before dinner. They have dn er at six    13   . They usually have
soup, meat, vegetables, rice or pasta.    14    they do their homework with their parents. Sometimes they play or talk
with their parents.
     On Saturday they often go shopping,    15    their grandparents or go to a park with their parents. And on Sunday
they go with their parents to church in the morning and have a big dinner at one o'clock in the afternoon.