There are a teacher and some students in the classroom.They are having a good time.找错
问题描述:
There are a teacher and some students in the classroom.They are having a good time.
找错
答
教室里有一位老师和一些学生。他们正在愉快的(上课)
答
There is a teacher and some students in the classroom.
因为后面是a teacher