On a small farm in Mexico，there are no schools．A bus is the school．The driver of the bus is the teacher．It’s a school bus，but it doesn’t take the children to school．It just goes round from place to place，and sometimes it comes to this farm．The bus will stay here for three months．The farmers call it a school on wheels．Every time when the bus comes，the farmers will come，running to it，shouting and laughing．They warmly  welcome the school bus．
When the bus is on the farm，in the morning，the teacher teaches the small children．In the afternoon，the bigger children come to have their lessons because they must work in the morning．At night，the fathers and mothers come to school．They want to learn．too．How the farmers hope that some day they can have a real school on their farm!
The driver of the bus is ________．

A．the teacher	B．the student
C．the farmer	D．the school

The bus school will ________．

A．take the children to school

B．stay here for a long time

C．take the fathers and mothers to school

D．go round from place to place

When the bus school comes the  farmers will ________．

A．stop working	B．warmly welcome it
C．be happy	D．both B and C

The bigger children have their lessons in the afternoon because ________ in the morning．

A．they can’t get up early

B．the teacher wants to teach the small children first

C．they have a lot of work to do

D．they have to do their homework

Which is true?

A．A school bus is a real school for farmers’ children

B．The bus school has no teacher at all．

C．The bus school has no students．

D．The children and their parents on the farm all come to the bus school to learn．