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bună ziua!
Spuneti vă rog care sunt răspunsurile corecte la test "The first locomot ive or train engene was powered by stean and ran on rails for the first time ------[in/at/by] the beginning..."
Mulţumesc.


Răspuns :

The first locomot ive or train engene was powered by stean and ran on rails for the first time AT the beginning..."