No important progress was made in UN Climate Conference in Copenhagen as of the rich countries agreed to offer large amounts of money to fight global warming.
In English colleges, classes are often arranged in freer and opener______and many jobs are designed for students.
— What great trouble I have solving this problem now! —_____ my advice, you ________less trouble.
As is well known to us all, in China pigeons stand for peace. However, in India the wheel in its national flag is also a _______of peace.
It doesn’t make a(an)_______to me whether you go or stay.
How did it______ that humans speak so many different languages?