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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.