Luyện tập tổng hợp

NC

I. Complete the space with the right form of the word in brackets.

THE HISTORY OF FISHING

…1… (commerce) fishing has been carried out since the middle ages. Before that it was …2… (possible) to keep fish for long periods, but the …3… (develop) of …4… (store) methods such as drying and salting made it possible for …5… (fish) to go on fishing trips further away. In fact, although …6… (Europe) were completely …7… (aware) of America’s …8… (exist), they were fishing near its coasts then. They were, however, still …9… (ability) lo keep fish fresh for any …10… (long) of time.

All this changed as a result of the new …11… (technology) advances in …12… (fridge) in the nineteenth century. Soon the …13… (coast) waters of Africa and the Mediterranean were full of Northern European …14… (fish). In the …15… (twenty) century, scientific …16… (discover) made during the Second World War were used for discovering large groups of fish.


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