WHILE READING. GAP FILL: Put the words into the gaps in the text. The world’s first __________-cloned dogs have started training for their future careers

GAP FILL: Put the words into the gaps in the text.

READING: Read and fill in the spaces.

The world’s first ________________________ have started training for their future careers. South Korea’s customs service ordered ________________________ sniffer dog last year. It hopes the cloned canines will ________________________ explosives and drugs at its airports. The cloning will reduce the costs involved in the months of training normal dogs. Only thirty per cent of dogs selected for training ________________________ and become a sniffer dog. The seven cloned puppies, all named Toppy (short for Tomorrow’s Puppy), were born in October and November 2007. Cells ________________________ Labrador retriever father, called Chase, to clone them. Project manager Lim Jae-Yong believes the clones will ________________________ ordinary dogs, because of their genes from expert sniffer Chase.

The $300,000 ________________________ Lee Byung-Chun, who cloned the world’s first dog from a three-year-old Afghan hound. Each Toppy cost $60,000, ________________________ training a normal sniffer dog. All seven Toppies have been in training since they were born. They have ________________________ round of sniffer-dog tests, although ________________________ a bad leg. The dogs train together and all come running when their name is called. Their trainers ________________________ microchip in each puppy’s ear. Lead trainer Kim Nak-seung said: "The differences [between them] are so small that I ________________________." The Toppies should complete their training by early 2009 and start work sniffing baggage in the nation’s airports soon after.