四年级英语上册语法是一般现在时。例句:This is Zhangpeng.否定句是This isn't Zhangpeng.We have a new classroom.We don't have a new classroom.It is near the door.It isn't near the door.
四年级英语上册语法是一般现在时。例句:This is Zhangpeng.否定句是This isn't Zhangpeng.We have a new classroom.We don't have a new classroom.It is near the door.It isn't near the door.
