正确.sorry，是I go to the school by bus这样就不对了，go to the school是指到学校去，不一定是学生。如果是改错题，建议去掉thehe can piay the footballI·m go to be a teacherThis is toms bagThere are a book and two pens in my bag这些都正确吗？如果错，错在哪？第一句错。去掉the，play football是固定词组，不加the，play只有与西洋乐器，比如钢琴连用，才加the第二句错，I am going to be a teacher 才对，be going to 是将来时的一种表达方式第三句错，This is Tom's bag.名词所有格的构成是在主语后加's 而不是只加s第四句也错，因为 there be 句型就近一致，谓语动词与 a book一致，所以是单数，用is