For a poster with the content "Promote Mandarin", what should I write as a slogan for it?

8. Promote Mandarin slogans

(1) The state promotes Mandarin that is commonly used throughout the country

(2) Actively popularize national synonyms and strengthen the Chinese National cohesion

(3) Love the flag, sing the national anthem, and speak Mandarin

(4) The four seas have the same sound, and we are united

(5) Mandarin: Shenzhou, Huaxia Love

(6) Popularize Mandarin, the world is one family

(7) Facing modernization, promote Mandarin

(8) Actively popularize Mandarin, and work together to build a well-off society

(9) Establish awareness of language norms and improve national cultural quality

(10) Civil servants must take the lead in promoting Mandarin

(11) News media must become the promoter Model of Mandarin

(12) Mandarin is our campus language

(13) I am a Chinese child and love to speak Mandarin

(14) Mandarin: Emotions The bond and the bridge of communication

(15) Speak Mandarin to welcome guests from all over the world; use civilized language to express true feelings

(16) Communication - Start with Mandarin

(17) Speak Mandarin well, it will be convenient for you, me and others

(18) Speak Mandarin well, start with me

(19) Speak Mandarin well, you will have friends all over the world

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(20) Mandarin brings you and me closer

(21) Mandarin - the needs of the times, the pursuit of fashion

(22) Mandarin - Make life more exciting and make society warmer

(23) Mandarin goes hand in hand with youth, and civilized language goes side by side with fashion

(24) Civilized language goes deep into the hearts of men, women, old and young, and Mandarin blends the East and West Love between the North and the South

(25) Heart to heart, language to each other, love and happiness