We must make ___ to the public that something should be done to stop pollution.

—Is David a man with good manners ?—I don’t think so . As a matter of fact , he is         but polite .

It was probably at that moment _____ I understood what kindness really was.

 Every year, millions of people visit the Palace Museum, and many of __ are foreigners.

For quite a few students, their teacher’s advice is more important than _______ of their parents’.