介绍教室英语（用there are 和there is).

介绍教室英语（用there are 和there is).
介绍教室英语（用there are 和there is).

介绍教室英语（用there are 和there is).
There are many desks and chairs in the classroom.there is a blackboard on the wall.there is a teacher's desk in front of the students' desks.