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1) Fifty years ago there was a .... here. Then all the trees were cut and many.... and factories were built.
2) The.... are a ...... of mountains which divides our continent into.....and.
3) The factory cant work. We have....a of copper........
4).....,well have a .... of it soon.
5) ....... of gold in California were in the middle of the 19th century.

1) Fifty years ago there was a forest here. Then all the trees were cut and many plants and factories were built.2) The Urals are a chain of mountains which divides our continent into Europe and Asia.3) The factory can't work. We have deficiency of copper ore.4) Yes, we'll have a lot of it soon.5) Mines of gold in California were in the middle of the 19th century.