bigtazzsi

hiya i have just bought a mica blue 99 uk turbo, when i bought the car i was told the engine had seized due to ;lack of oil. however when i got home i put a new battery in the car and tried to start it and it turned over! surely if it had seized it wouldnt turn??
also if the engine is knakered what other engine will fit it? will a import engine fit into it? or a import bottom end??