People tend to love agricultural products ________ without the use of fertilizers, pesticides or chemical additives.
The U. S.declares it has the best medical technology in the world,but quite a lot of Americans have no __________to health care service.
The DiaoYu Island have been part of China’s territory since ancient times, __________as important fishing grounds of Taiwan.
Sun Yang, a young Chinese swimming talent, ___________several gold medals before 2012 London Olympics.
The government has taken some measures to solve the shortage of electricity, but it may be some time ____________ the situation improves.
Mary had to go to a meeting,so she left her children ___________ at home.