The boy is only _____ and today is his _____ birthday.
A.nine; nine       B.ninth; nine        C.nine; ninth

—Are there ____ books on the desk? —Yes, there are ____.
A. some, some        B. some, any        C. any, some

_______ of the students in our class _______ interested in micro blogs (微博) on the Internet.

The boy is only _____ and today is his _____ birthday.
A. nine; nine           B. ninth; nine  C. nine; ninth

We read “2008” _____ .
A. two thousand and eight B. two thousands and eight   C. two thousands and eighty 

People usually think lions are _____ scary.

Some scientists think that it may take ______years to make robots look like people,  and do the same things as us.

_____ of the apple ____ bad and he has to throw it away. 

-Can you give me five _______of milk?
--Yes, just a ___________.

There are ______ flowers in the square during the National Day.