杰克是一位勤奋又听话的孩子,学习成绩也特别好。这个学期,杰克多了一位名叫安迪的新同学,他是从佛罗里达州转过来的,他的父母在一场车祸中双双失去了生命,只能来到这里跟着外公一起生活。安迪原先是一位非常热情的孩子。学习成绩同样也很好。可现在他不仅成绩直线下降了,而且也不和别的 Jack is a hardworking and obedient child and has a particularly good academic record. This semester, Jack had a new classmate named Andy, who turned around from Florida. His parents both lost their lives in a car accident and only came here to live with their grandpa. Andy was originally a very passionate child. Academic performance is equally good. Now he not only scores straight down, but also with no other