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Ex. 3 Put the correct words



Ex. 3 Put the correct words

extracted, discoveries, BC, gold, gold markets, framework, pure, sand,

primary and secondary

1. Unlike most other metals, _________________appear in large quantities in fairly _______________ form in nature.

2. The first _________________ were made in the first century _______________. When ________________ was washed from the river _________ in Egypt.

3. The world’s ___________________differ from each other not only in their ________________ but also in their functions.

4. Today gold is mostly _________________by mining.

5. An important distinction has to be drawn between ______________________markets.



  

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