1)There (is,are)a blackboard and ten desks in the classroom.
2)There(is,are)some chairs at the teacher's table there.
3)There(is,are)a lot of flowers and a tall green tree in my garden.
4)There (is,are)cornflakes and milk on the table.I think there(is,are)a cake and some sandwiches there too.
5)There (is,are)five pencils and one pen in my school bag.
6)There (is,are)a teacher and eight pupils in the classroom
7)There (is,are)there tomatoes and a cucumber on the plate.
8)There(is,are)two cinemas and a park in my street.
9)There(is,are)a book and a lamp on the desk.
то, что подчеркнуто, то правильно