假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏词符号（∧），并在其下面写出该加的词。
删除：把多余的词用斜线（﹨）划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
注意：1.每处错误及修改均仅限一词；
2.只允许修改10处，多者（从第11处起）不计分。
Here are two types of cars may some day take place of today^’s big cars. If all the people drive such cars in the future, there will be fewer pollution in the air. There will also be more space for parking cars in the cities, but the streets will be less crowded. Three such cars can fit in the space now need by one car of the usually size. The little cars will cost much less to own and drive. Drive will be safer, too, though these little cars can go only 65 kilometers per hour. But it will not be of any use for long trips.