We usually use two kinds of money . One kind is money made of paper and the other kind is money made of m    (1) . But in the past people used many things i    (2) of money . Some countries used salt , tea or stones （石头）. Other countries even used some animals . Today people in some p    (3) in the world still do not use paper money all the time .

    On the island of Yap , people use the h    (4) money in the world —Yap stones . These are round , white stones w    (5) a hole in the middle . The Yap stones do not c    (6) from this island . The Yap men have to go to the islands over 600 kilometres away to get t    (7) .

    Rich people do not carry Yap stones . Servants （仆人） f    (8) the rich . Each servant carries a stone on a long s    (9) over his shoulder （肩） . Today people on the island of Yap use paper money for everyday shopping . But for other things they still p    (10) Yap stones to paper money .

We usually use two kinds of money. One kind is money made of paper and the o  1  kind is money made of metal. But in the past people used many things i  2  of money. Some countries used salt, tea o  3  stones. Other countries even used some animals. Today people in some p   4    of the world still do not use paper money all the same.

On the island of Yap, people use the h   5    money in the world- Yap stones. These are round, white stones w   6   a hole in the middle. The Yap stones do not c  7  from this island. The Yap men have to go to the island over 600 kilometers away to get t   8  .

Rich people do not carry Yap stones. Servants (仆人) follow the r   9   . Each servant carries a stone on a long stick over his shoulder. Today people on the island of Yap use paper money for everyday shopping. But for other things they still p  10   Yap stones to paper money.

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