题目

短文改错（每小题1分，共10分）在下列短文中，每一行都有一处错误，请你在原文中划出错误的地方并在后面的横线上改出来。Mr Green is our teacher. He come from London. He teaches our English. He knows a little Chinese. too. But he can’t ask us with Chinese. He likes work in China. Mrs Green works in China too. She is a worker. She’s works hard. Her factory is near our school. Mr and Mrs Green have the son. He is fifteen. He’s name is Jim. He’s a student. He studys in a middle school. The school is near their home. He goes to school by a bik计算：（-23ax4y3）÷（-56ax2y2）-8a2y．