GAP FILLING 1 survival / nearby / subtropical / feature / realeased / located / suitable / orphanage / toxic / dependent / contamination / chemicals / establish / tumed out ● ..... chemicals were spilled into the river ● Most aquarium plants come from tropical and ...... areas , with a few from the warmer parts of the temperate zone ● The fatory was ... too close to a residential area ● My sister and i were adopted from an .... ● you can't be .... on your perents all your life . ● Teamwork is a key ... of the training programme ● They now hope to... a centre in Cuba