Children are (62) serious illnesses because of their parents smoking at home, rays the government’s chief medical officer, who has warned adults not to light (63) in front of their sons and daughters. Sir Liam Donaldson, Britain’s most senior doctor, (64) that there would be a further (65) crackdown on smoking after the ban comes into force in England next Sunday. He promised renewed public health advertising campaigns to try to educate parents who smoke. "We will strengthen and make (66) the message to parents about the risks to their children of smoking. This is something we will need to constantly remind them about." " (67) the number of parents who make is falling, children’s exposure (68) parental smoke remains "a problem area", he said. The number of Britons who smoke has fallen to 24 per cent and ministers hope going smoke-free will (69) time bring about another 4 or 5 per cent drop. " (70) if we want to go (71) we have got to reinforce all these other tobacco measures and denormalise smoking completely," said Donaldson. "The first of July is trot when action stops; it’s a launchpad from (72) we can make further massive (73) . I hope people will be behind some of the slightly (74) measures." He wants cigarettes to be (75) away in shops. "If you walk into the average supermarket, one of the things that confronts you (76) away is a wall of cigarettes. That’s (77) . I’d like to see them (78) the wall of cigarettes and keep them under the counter," said Donaldson. "Some people would (79) the idea of cigarettes being kept under the counter like magazines that you wouldn’t want displayed. But I think that these are all part of the denormalisation (80) . Supermarkets are big, responsible organisations. Wouldn’t they like to strike another (81) for health and play their part on a disease that still kills over 100,000 a year"

A. But
B. So
C. Thus
D. Instead