Task 3. Complete the sentences with "there is" or "there are".
21. ........ a table next to the door.
22. On the table ........ three books.
23. Next to the books ........ two pens and a calculator.
24. ........ a football under the table.
25. ........ a picture in Kev's room.
26. In the picture ........ four dolphins.
27. On Kev's bed ........ a small cat.