—Any information about your son?—No. If only I ______ those tough words to him.
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?