(2013·安徽省芜湖三校一模)A recent study has found that the number of smokers ________ sharply over the past five years

No government so far has been able to ________ the number of jobs available with the number of people out of work.[ ]

keen competition of thisinternational tennis tournament, she ________ won the championship

While ____ the dog, you should take care not to get loose . Otherwise, it may be dangerous to strangers.

Joining the company as a clerk (职员), he got rapid promotion (晋升), and ______ working as a manager.