综合填空
Jack was a pupil.One day his teacher     1    each of them a seed（种子） and ask them to plant it.So Jack went to his g     2    and wanted to dig a hole     3    the seed.He dug and dug.After a while he     4    a coin.He was very     5    and put it in his pocket.A minute     6    ，he found another coin,he put it in his pocket again.The same thing happened several     7    .Jack was so happy that he thought he should     8    how many coins he had got.He put his     9    in his pocket.To his     10    ,he found a hole in his pocket.