There is / There are

_________ a computer in the classroom.

• There is

• There are

_________ some posters in my office.

• There is

• There are

_________ a CD player in my bedroom.

• There is

• There are

_________ 30 desks in the hotel.

• There is

• There are

_________ a blackboard in the classroom.

• There is

• There are

_________ some dictionaries in the library.

• There is

• There are

_________ some blue fish in the ocean.

• There is

• There are

_________ any children in the park?

• Is there

• Are there

________ (not) a gorilla in the tree.

• There is

• There isn't

_________ a lot of traffic in Valencia.

• There is

• There are