We may find that learning a foreign language does not have to be________learning our mother tongue,but can in fact be twice ________.
After a long discussion with my family, we've _______blue for the bathroom.
He can______to get us some tickets; I always trust 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.