21. Our  Chinese teacher told us _______interesting story and _______story was about Lu Xun.   

3.  an,a    B.the,the     C. a,the    D. an,the

22.Taiwan is a part of China. It is _______ the southeast of our country.

A. to   B.on   C. in.   D,  at

23.----Would you like tea or coffee?

------_______is OK. I really don't mind.

A. None     B.Either    C. Neither.   D. Both.

24.There are _______ students in their university.

A.thousand of    B.thousands of  C.thousands   D.two thousands of