Once upon a time there lived a King who(1) to have an experiment. He put a huge stone on a
roadway so that it biocked the movement. Then he hid himself behind a nearby tree and wanted to see if anyone would take it away from the road. There were lots of different people who(2) by the stone, some of them were wealthy and important, but most of them just walked around it. Many loudly criticised the King for not keeping the roads clear, but none did anything about getting the stone out of the way.
When the King was about to come out of his shelter, he saw a peasant who came along; he___(3) a load of vegetables. When the peasant(4) nearer to the huge stone, he laid down his burden and tried to move the stone to the side of the road. It took much time and efforts to remove the stone to the side of the road. After the peasant (5) his load of vegetables, he noticed a purse lying on the road where the rock had been. The purse contained many gold coins and a note from the King saying that the gold was for the person who removed the stone from the roadway.

1.
decided/had decided/was deciding
2.
passed/were passing/had passed
3.
were carrying/was carrying/had been carrying
4.
came/was coming/had come
5.
picked up/has picked up/had picked up