There is a famous Chinese saying : one is not____ true man unless he climbs up Great Wall.( )
A.a;/B.the;/C.a;theD./; the
Here are many_______ and________.
This blue pen is .
Look! Some ______ are in the school.
--Are those the ______ books? -- No, they are ______ books.
--______ are they? --They are my ______.