问题补充：
a small farm in Mexico, there are no schools. A bus is the . The driver of the bus is the teacher. It’s a school bus, but it doesn’t the children to school. It just goes round from place to place ,and sometimes it comes to this farm. The bus will stay here three months. The farmers call it a school on wheels(轮子）.
Every time when the bus comes, the farmers will come running to it, and laughing. They warmly welcome the school bus.
When the bus is on the farm, in the morning, the teacher the small children. In the afternoon, the bigger come to have lessons because they must in the morning.
At night, the come to school .They want to learn ,too.How the farmers hope that some day they can have a real school on their farm!
【小题1】A．At B．InC．OnD．For【小题2】A．homeB．shoolC．officeD．playground【小题3】A．takeB．takesC．takingD．to take【小题4】A．InB．AtC．forD．to【小题5】A．shoutingB．to shoutC．shoutsD．shouted【小题6】A．teachesB．teacherC．to teachD．taught【小题7】A．childsB．childrenC．childesD．child【小题8】A．ThemB．theyC．theirD．he【小题9】A．workB．workerC．workingD．Works【小题10】A．father’s and mother’sB．fathers’ and mothers’ C．fathers and mothersD．father and motherC
答案：
(答案→)C
解析：这篇短文主要介绍了在墨西哥一个小农场,没有学校。一辆公共汽车就是学校，司机就是老师。学生们也是分批的上学，上午较小的孩子，下午较大的孩子，晚上是父母亲们。
【小题1】考查介词及语境的理解。在农场用介词on，故选C
【小题2】考查名词及语境的理解。根据上文没有学校，下文司机就是老师，可知一辆公共汽车就是学校，故选B。
【小题3】考查动词及语境的理解。借助doesn’t构成否定句，谓语动词用原形，故选A
【小题4】考查介词及语境的理解。表示达一段时间，用介词，for,故选C。
【小题5】考查动词及语境的理解。动词的ing形式表示伴随的状态，农夫们将跑到公共汽车那里，喊着笑着。故选A
【小题6】考查动词及语境的理解在上文午老师教小孩子，主语是第三人称单数，故谓语动词也用第三人称单数，故选A
【小题7】考查动词词组及语境的理解。下午较大的孩子来上他们的课。根据上下文可知，故选B
【小题8】考查人称代词及语境的理解。下午较大的孩子来上他们的课。他们的，their,故选C。
【小题9】考查动词及语境的理解。因为上午他们必须工作，情态动词后加动词原形，故选A。
【小题10】考查名词及语境的理解。根据上下文联系，可知做父亲和做母亲的也想学习，故用名词复数，故选C。
