1.  And I like national songs.

2.  I and five classmates held the national flag and walked more than one hundred metre in the opening ceremony.

3.  Later the national flag was dyed into red by people's red blood.

4.  When the national flag wave in the country, the red sun is rising from the old east .

5.  On every street, the shop , the factory had put up the national flag for a few days.

6.  With the development of developing countries, the developing countries national ecnomies have been advanced.

7.  In our country, with the development of the national economy, we are in great need of fresh water.

8.  On my personal opinions, the social developes , particulally the develop of the national economy do it .

9.  In China, with the economics of national groth people begin to contact foreigners often.

10.  Chinese is our national language and English is our official one.