Rewrite the sentences

15. A sleeping dog was lying under the table.
-> Under the table …………………………………………………………

16. His brother had rarely been more excited.
-> Rarely…………………………………………………………

17. The facts were not all made public until later.
-> Only …………………………………………………………

18. If I had realized what would happen, I wouldn’t have accepted the job.
-> Had…………………………………………………………

19. The response to our appeal was so great that we has to take on more staff.

-> So …………………………………………………………

20. Some children are playing happily on the field.

-> Playing ……………………………………………….