состввте текст с конструкцией there is there are что есть в

There are books in my rucksack. There is a pencil case in my rucksack. There is a dairy in my rucksack. There are notebooks in my rucksack.
There is a window in the class. There is a door in the class. There are desks in the class. There are some chairs in the class. There is a teacher's desk in the class. There is a blackboard in the classroom.