2. I'm China Wa, and I like to speak Mandarin.

3. Courtesy is deeply rooted in the hearts of men, women and children, and Mandarin blends the feelings of East, West, North and South.

4. Speaking Mandarin well is convenient for you, me and him.

5. Establish a new national image, and everyone speaks Mandarin.

6. Putonghua-an essential literacy and communication tool for modern people

7. You and I both speak Putonghua, and we are like brothers.

8. I'm China Wa, and I like to speak Mandarin.

9. Speak Mandarin to the core and be an upright China person

1. mind your language, please write standard words.

11. Speaking Mandarin well is convenient, polite and elegant.

12. Speak Mandarin, starting with me.

13. Speak Mandarin, write standard words, use polite language and be a polite person.

14. Popularizing Putonghua depends on you, me and everyone.

15. Learning to speak Mandarin well is convenient, polite and elegant.

16. Love the national flag, sing the national anthem, speak Mandarin and write standard words.

17. Facing modernization, popularize Putonghua

18. Learn and speak Putonghua well, which will benefit the country, the people and everyone.

19. Putonghua-a bridge of emotional communication.

2. the state promotes putonghua, which is commonly used throughout the country.

21. Putonghua-an essential literacy and communication tool for modern people.

22. Putonghua is the professional language of teachers.

23. Speak Mandarin, use standardized words and build a new image

24. Everyone learns to speak Mandarin and strives to be a polite person.

25. Speak Mandarin and welcome guests from all over the world; Use polite language to send a piece of true feelings.

26. Putonghua-a bond of emotion and a bridge of communication.

27. Putonghua is our campus language

28. Promote national culture and everyone speaks Putonghua

29. Putonghua is our campus language.

3, mutual affinity, language communication, harmony and happiness.

31. communication-starting from putonghua.

32. Putonghua makes life more exciting and society warmer.

33. Speak Mandarin well and love my China. Popularize Putonghua, and the world will see China.

34. Putonghua is universal

35. Facing modernization, popularize Putonghua.

36. Putonghua and standardized Chinese characters are common languages in China.

37. communication-starting from putonghua.

38. You and I both know Mandarin, * * * build a harmonious Chinese New Year

39. Love the national flag, sing the national anthem and speak Mandarin.

4. Popularize Putonghua and create a good language environment for modernization.

41. Speak Mandarin, write standard words, use polite language and be a polite person.

42. Everyone learns to speak Mandarin, making progress in manners and heading for a well-off society

43. Mandarin, the voice of China and Chinese feelings.

44. Putonghua-the demand of the times and the pursuit of fashion.