There is_______.There is_______.There are_______.There are_______._____________________________

问题描述:

There is_______.There is_______.There are_______.There are_______._____________________________

There is a blackboard.There is a door.There are many desks and chairs.There are four windows.

There is a dais. There is a blackboard in the front of calssroom. There are two doors. There are four windows.