In the next 30 years, we could see more heat waves like_____ now occurring in the US or the kind that swept across Europe in 2003 that caused tens of thousands of deaths.
It is _____ world of wonders, ______ world where anything can happen.
A study shows that students living in non-smoking dormitories are less likely to ________ the habit of smoking.
As we all know, ______ medical examination will help us find out health problems as early as possible.
Ann ______ here any more.She left last month.
The conference aims to develop business and let people think about ______ they can have a positive influence on the planet.