“official duty”造句，怎麼用official duty造句

To be on official duty for five years

If the public servant of supervisory department holds one of the authorized documents listed above when performing official duty, relevant unit or individual shall give assistance.

Holding up and hitchhiking a motor vehicle when not performing an urgent official duty;

And the first official duty of the elected special assembly will be to declare the country a republic, ending Nepal's two-and-a-half century old royal dynasty.