Proposed slogan test question

(1) Actively promote national languages and enhance the cohesion of the Chinese nation.

(2) The four seas have the same sound and become one.

(3) Popularizing Putonghua is a family.

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

(5) Mandarin goes with youth, and civilized language goes with fashion.

(The answer is not unique)